Folate (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Folate" in English language version.

Last modified: 17:34:46, 18 August 2026 (UTC)

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aacrjournals.org (Global: 9,401^st place; English: 9,586^th place)

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Weinstein SJ, Hartman TJ, Stolzenberg-Solomon R, et al. (November 2003). "Null association between prostate cancer and serum folate, vitamin B(6), vitamin B(12), and homocysteine". Cancer Epidemiology, Biomarkers & Prevention. 12 (11 Pt 1): 1271–1272. PMID 14652294. Archived from the original on 22 February 2017.

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Feng Y, Wang S, Chen R, et al. (February 2015). "Maternal folic acid supplementation and the risk of congenital heart defects in offspring: a meta-analysis of epidemiological observational studies". Scientific Reports. 5 8506. Bibcode:2015NatSR...5.8506F. doi:10.1038/srep08506. PMC 4330542. PMID 25687545.
Qin T, Du M, Du H, et al. (July 2015). "Folic acid supplements and colorectal cancer risk: meta-analysis of randomized controlled trials". Sci Rep. 5 12044. Bibcode:2015NatSR...512044Q. doi:10.1038/srep12044. PMC 4487230. PMID 26131763.
Keshava C, Keshava N, Whong WZ, et al. (February 1998). "Inhibition of methotrexate-induced chromosomal damage by folinic acid in V79 cells". Mutation Research. 397 (2): 221–8. Bibcode:1998MRFMM.397..221K. doi:10.1016/S0027-5107(97)00216-9. PMID 9541646.
Bailey SW, Ayling JE (September 2009). "The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake". Proceedings of the National Academy of Sciences of the United States of America. 106 (36): 15424–9. Bibcode:2009PNAS..10615424B. doi:10.1073/pnas.0902072106. PMC 2730961. PMID 19706381.
Benkovic SJ, Hammes-Schiffer S (August 2003). "A perspective on enzyme catalysis". Science. 301 (5637): 1196–202. Bibcode:2003Sci...301.1196B. doi:10.1126/science.1085515. PMID 12947189. S2CID 7899320.
Stover P, Schirch V (August 1990). "Serine hydroxymethyltransferase catalyzes the hydrolysis of 5,10-methenyltetrahydrofolate to 5-formyltetrahydrofolate". The Journal of Biological Chemistry. 265 (24): 14227–33. Bibcode:1990JBiCh.26514227S. doi:10.1016/S0021-9258(18)77290-6. PMID 2201683.
Rajagopalan PT, Zhang Z, McCourt L, et al. (October 2002). "Interaction of dihydrofolate reductase with methotrexate: Ensemble and single-molecule kinetics". Proceedings of the National Academy of Sciences of the United States of America. 99 (21): 13481–6. Bibcode:2002PNAS...9913481R. doi:10.1073/pnas.172501499. PMC 129699. PMID 12359872.
Mitchell HK, Snell EE, Williams RJ (1941). "The concentration of "folic acid"". J Am Chem Soc. 63 (8): 2284. Bibcode:1941JAChS..63.2284M. doi:10.1021/ja01853a512.
Angier RB, Boothe JH, Hutchings BL, et al. (August 1945). "Synthesis of a Compound Identical with the L. Casei Factor Isolated from Liver". Science. 102 (2644): 227–8. Bibcode:1945Sci...102..227A. doi:10.1126/science.102.2644.227. PMID 17778509.

bbc.co.uk (Global: 11^th place; English: 10^th place)

news.bbc.co.uk

"Backing for folic acid in bread". BBC News. 17 May 2007. Archived from the original on 18 June 2007. Retrieved 18 May 2007.
BBC Experts back folic acid in flour 11 May 2007

beyondveg.com (Global: low place; English: low place)

"Effects of Cooking on Vitamins (Table)". Beyond Vegetarianism. Archived from the original on 16 October 2012. Retrieved 30 April 2019.

books.google.com (Global: 3^rd place; English: 3^rd place)

Pommerville JC (2009). Alcamo's Fundamentals of Microbiology: Body Systems. Jones & Bartlett Publishers. p. 511. ISBN 978-0-7637-8712-7. Archived from the original on 8 September 2017.
Marino BS, Fine KS (2009). Blueprints Pediatrics. Lippincott Williams & Wilkins. p. 131. ISBN 978-0-7817-8251-7. Archived from the original on 8 September 2017.
Pond WG, Nichols BL, Brown DL (2009). Adequate Food for All: Culture, Science, and Technology of Food in the 21st Century. CRC Press. p. 148. ISBN 978-1-4200-7754-4. Folic acid's discovery started in 1931...
Chambers Concise Dictionary. Allied Publishers. 2004. p. 451. ISBN 978-81-86062-36-4. Archived from the original on 8 September 2017.
Combs JR GF, McClung JP (2016). "Chapter 17: Folate". The Vitamins: Fundamental Aspects in Nutrition and Health (Fifth ed.). Academic Press. pp. 400–401. ISBN 978-0-12-802983-1. Archived from the original on 12 January 2023. Retrieved 15 December 2019. The term folate is the generic descriptor for folic acid (pteroylmonoglutamic acid or pteroylglutamic acid) and related compounds exhibiting the biological activity of folic acid.

boston.com (Global: 468^th place; English: 271^st place)

"FDA muffed chance to reduce birth defects". Boston Globe. 6 January 2004. Archived from the original on 13 March 2007.

cdc.gov (Global: 251^st place; English: 248^th place)

"FAQ's Folic Acid". CDC. 16 December 2016. Archived from the original on 10 July 2017. Retrieved 7 July 2017.
"Folic Acid". CDC. 19 April 2021. Archived from the original on 15 July 2023. Retrieved 20 December 2021.
Centers for Disease Control Prevention (CDC) (16 January 2015). "Updated Estimates of Neural Tube Defects Prevented by Mandatory Folic Acid Fortification — United States, 1995–2011". MMWR. Morbidity and Mortality Weekly Report. 64 (1): 1–5. PMC 4584791. PMID 25590678. Archived from the original on 31 July 2020. Retrieved 15 September 2019.
"Birth Defects COUNT | Folic Acid | NCBDDD | CDC". www.cdc.gov. Archived from the original on 13 November 2015. Retrieved 16 November 2015.

chemsrc.com (Global: low place; English: low place)

"Folic Acid". ChemSrc. Archived from the original on 28 August 2021. Retrieved 12 April 2018.

clincalc.com (Global: 5,833^rd place; English: 4,432^nd place)

"Top 300 of 2023". ClinCalc. Archived from the original on 12 August 2025. Retrieved 12 August 2025.
"Folic Acid Drug Usage Statistics, United States, 2014 - 2023". ClinCalc. Retrieved 18 August 2025.

dash.harvard.edu (Global: 9,286^th place; English: 5,687^th place)

Li Y, Huang T, Zheng Y, et al. (August 2016). "Folic Acid Supplementation and the Risk of Cardiovascular Diseases: A Meta-Analysis of Randomized Controlled Trials" (PDF). Journal of the American Heart Association. 5 (8) e003768. doi:10.1161/JAHA.116.003768. PMC 5015297. PMID 27528407. Archived (PDF) from the original on 27 April 2021. Retrieved 4 November 2018.

doi.org (Global: 2^nd place; English: 2^nd place)

Welch AD (1983). "Folic acid: discovery and the exciting first decade". Perspect. Biol. Med. 27 (1): 64–75. doi:10.1353/pbm.1983.0006. PMID 6359053. S2CID 31993927.
Bibbins-Domingo K, Grossman DC, Curry SJ, et al. (January 2017). "Folic Acid Supplementation for the Prevention of Neural Tube Defects: US Preventive Services Task Force Recommendation Statement". JAMA. 317 (2): 183–189. doi:10.1001/jama.2016.19438. PMID 28097362. S2CID 205077749.
Wald NJ, Morris JK, Blakemore C (2018). "Public health failure in the prevention of neural tube defects: time to abandon the tolerable upper intake level of folate". Public Health Reviews. 39 2. doi:10.1186/s40985-018-0079-6. PMC 5809909. PMID 29450103.
Li Y, Huang T, Zheng Y, et al. (August 2016). "Folic Acid Supplementation and the Risk of Cardiovascular Diseases: A Meta-Analysis of Randomized Controlled Trials" (PDF). Journal of the American Heart Association. 5 (8) e003768. doi:10.1161/JAHA.116.003768. PMC 5015297. PMID 27528407. Archived (PDF) from the original on 27 April 2021. Retrieved 4 November 2018.
Wien TN, Pike E, Wisløff T, et al. (January 2012). "Cancer risk with folic acid supplements: a systematic review and meta-analysis". BMJ Open. 2 (1) e000653. doi:10.1136/bmjopen-2011-000653. PMC 3278486. PMID 22240654.
Fardous AM, Heydari AR (November 2023). "Uncovering the Hidden Dangers and Molecular Mechanisms of Excess Folate: A Narrative Review". Nutrients. 15 (21): 4699. doi:10.3390/nu15214699. PMC 10648405. PMID 37960352.
Zheng Y, Cantley LC (February 2019). "Toward a better understanding of folate metabolism in health and disease". The Journal of Experimental Medicine. 216 (2): 253–266. doi:10.1084/jem.20181965. PMC 6363433. PMID 30587505.
Naderi N, House JD (2018). "Chapter Five – Recent Developments in Folate Nutrition". Advances in Food and Nutrition Research. 83. Elsevier: 195–213. doi:10.1016/bs.afnr.2017.12.006. PMID 29477222.
Lan X, Field MS, Stover PJ (November 2018). "Cell cycle regulation of folate-mediated one-carbon metabolism". Wiley Interdiscip Rev Syst Biol Med. 10 (6) e1426. doi:10.1002/wsbm.1426. PMC 11875019. PMID 29889360. S2CID 47014043.
Froese DS, Fowler B, Baumgartner MR (July 2019). "Vitamin B12, folate, and the methionine remethylation cycle-biochemistry, pathways, and regulation". Journal of Inherited Metabolic Disease. 42 (4): 673–685. doi:10.1002/jimd.12009. PMID 30693532.
Hoffbrand AV, Weir DG (June 2001). "The history of folic acid". British Journal of Haematology. 113 (3): 579–89. doi:10.1046/j.1365-2141.2001.02822.x. PMID 11380441. S2CID 22925228.
Berry RJ, Bailey L, Mulinare J, et al. (2010). "Fortification of flour with folic acid". Food Nutr Bull. 31 (1 Suppl): S22–S35. doi:10.1177/15648265100311S103. PMID 20629350. S2CID 36706350.
Wilson RD, Wilson RD, Audibert F, et al. (June 2015). "Pre-conception Folic Acid and Multivitamin Supplementation for the Primary and Secondary Prevention of Neural Tube Defects and Other Folic Acid-Sensitive Congenital Anomalies". Journal of Obstetrics and Gynaecology Canada. 37 (6): 534–52. doi:10.1016/s1701-2163(15)30230-9. PMID 26334606.
Atta CA, Fiest KM, Frolkis AD, et al. (January 2016). "Global Birth Prevalence of Spina Bifida by Folic Acid Fortification Status: A Systematic Review and Meta-Analysis". American Journal of Public Health. 106 (1): e24-34. doi:10.2105/AJPH.2015.302902. PMC 4695937. PMID 26562127.
Castillo-Lancellotti C, Tur JA, Uauy R (2013). "Impact of folic acid fortification of flour on neural tube defects: a systematic review". Public Health Nutr. 16 (5): 901–911. doi:10.1017/S1368980012003576. PMC 10271422. PMID 22850218.
Feng Y, Wang S, Chen R, et al. (February 2015). "Maternal folic acid supplementation and the risk of congenital heart defects in offspring: a meta-analysis of epidemiological observational studies". Scientific Reports. 5 8506. Bibcode:2015NatSR...5.8506F. doi:10.1038/srep08506. PMC 4330542. PMID 25687545.
Fekete K, Berti C, Trovato M, et al. (September 2012). "Effect of folate intake on health outcomes in pregnancy: a systematic review and meta-analysis on birth weight, placental weight and length of gestation". Nutrition Journal. 11 75. doi:10.1186/1475-2891-11-75. PMC 3499376. PMID 22992251.
Saccone G, Berghella V (April 2016). "Folic acid supplementation in pregnancy to prevent preterm birth: a systematic review and meta-analysis of randomized controlled trials". European Journal of Obstetrics, Gynecology, and Reproductive Biology. 199: 76–81. doi:10.1016/j.ejogrb.2016.01.042. PMID 26901401.
Devakumar D, Fall CH, Sachdev HS, et al. (June 2016). "Maternal antenatal multiple micronutrient supplementation for long-term health benefits in children: a systematic review and meta-analysis". BMC Medicine. 14 90. doi:10.1186/s12916-016-0633-3. PMC 4910255. PMID 27306908.
Crider KS, Cordero AM, Qi YP, et al. (November 2013). "Prenatal folic acid and risk of asthma in children: a systematic review and meta-analysis". The American Journal of Clinical Nutrition. 98 (5): 1272–81. doi:10.3945/ajcn.113.065623. PMC 5369603. PMID 24004895.
Ebisch IM, Thomas CM, Peters WH, et al. (March–April 2007). "The importance of folate, zinc and antioxidants in the pathogenesis and prevention of subfertility". Human Reproduction Update. 13 (2): 163–74. doi:10.1093/humupd/dml054. PMID 17099205.
Yang HT, Lee M, Hong KS, et al. (December 2012). "Efficacy of folic acid supplementation in cardiovascular disease prevention: an updated meta-analysis of randomized controlled trials". Eur. J. Intern. Med. 23 (8): 745–54. doi:10.1016/j.ejim.2012.07.004. PMID 22884409.
Bazzano LA (August 2011). "No effect of folic acid supplementation on cardiovascular events, cancer or mortality after 5 years in people at increased cardiovascular risk, although homocysteine levels are reduced". Evidence-Based Medicine. 16 (4): 117–8. doi:10.1136/ebm1204. PMID 21402567. S2CID 20470125.
Tian T, Yang KQ, Cui JG, et al. (October 2017). "Folic Acid Supplementation for Stroke Prevention in Patients With Cardiovascular Disease". Am. J. Med. Sci. 354 (4): 379–387. doi:10.1016/j.amjms.2017.05.020. PMID 29078842. S2CID 3500861.
Zhao M, Wu G, Li Y, et al. (May 2017). "Meta-analysis of folic acid efficacy trials in stroke prevention: Insight into effect modifiers". Neurology. 88 (19): 1830–1838. doi:10.1212/WNL.0000000000003909. PMID 28404799. S2CID 325155.
Jägerstad M (October 2012). "Folic acid fortification prevents neural tube defects and may also reduce cancer risks". Acta Paediatrica. 101 (10): 1007–1012. doi:10.1111/j.1651-2227.2012.02781.x. PMID 22783992. S2CID 3458384.
Pelucchi C, Talamini R, Negri E, et al. (November 2003). "Folate intake and risk of oral and pharyngeal cancer". Annals of Oncology. 14 (11): 1677–1681. doi:10.1093/annonc/mdg448. hdl:2434/724442. PMID 14581278.
Stein CJ, Colditz GA (January 2004). "Modifiable risk factors for cancer". British Journal of Cancer. 90 (2): 299–303. doi:10.1038/sj.bjc.6601509. PMC 2410150. PMID 14735167.
Mason JB, Dickstein A, Jacques PF, et al. (July 2007). "A temporal association between folic acid fortification and an increase in colorectal cancer rates may be illuminating important biological principles: a hypothesis". Cancer Epidemiology, Biomarkers & Prevention. 16 (7): 1325–9. doi:10.1158/1055-9965.EPI-07-0329. PMID 17626997.
Kim DH, Smith-Warner SA, Spiegelman D, et al. (November 2010). "Pooled analyses of 13 prospective cohort studies on folate intake and colon cancer". Cancer Causes Control. 21 (11): 1919–30. doi:10.1007/s10552-010-9620-8. PMC 3082430. PMID 20820900.
Wang R, Zheng Y, Huang JY, et al. (December 2014). "Folate intake, serum folate levels, and prostate cancer risk: a meta-analysis of prospective studies". BMC Public Health. 14 (1) 1326. doi:10.1186/1471-2458-14-1326. PMC 4320532. PMID 25543518.
Tio M, Andrici J, Cox MR, et al. (September 2014). "Folate intake and the risk of prostate cancer: a systematic review and meta-analysis". Prostate Cancer Prostatic Dis. 17 (3): 213–9. doi:10.1038/pcan.2014.16. PMID 24819234. S2CID 27184844.
Qin X, Cui Y, Shen L, et al. (September 2013). "Folic acid supplementation and cancer risk: a meta-analysis of randomized controlled trials". Int. J. Cancer. 133 (5): 1033–41. doi:10.1002/ijc.28038. PMID 23338728. S2CID 19830376.
Qin T, Du M, Du H, et al. (July 2015). "Folic acid supplements and colorectal cancer risk: meta-analysis of randomized controlled trials". Sci Rep. 5 12044. Bibcode:2015NatSR...512044Q. doi:10.1038/srep12044. PMC 4487230. PMID 26131763.
Gonen N, Assaraf YG (August 2012). "Antifolates in cancer therapy: structure, activity and mechanisms of drug resistance". Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy. 15 (4): 183–210. doi:10.1016/j.drup.2012.07.002. PMID 22921318.
Rubio IT, Cao Y, Hutchins LF, et al. (May 1998). "Effect of glutamine on methotrexate efficacy and toxicity". Annals of Surgery. 227 (5): 772–8, discussion 778–80. doi:10.1097/00000658-199805000-00018. PMC 1191365. PMID 9605669.
Kepka L, De Lassence A, Ribrag V, et al. (March 1998). "Successful rescue in a patient with high dose methotrexate-induced nephrotoxicity and acute renal failure". Leukemia & Lymphoma. 29 (1–2): 205–9. doi:10.3109/10428199809058397. PMID 9638991.
Branda RF, Nigels E, Lafayette AR, et al. (October 1998). "Nutritional folate status influences the efficacy and toxicity of chemotherapy in rats". Blood. 92 (7): 2471–6. doi:10.1182/blood.V92.7.2471. PMID 9746787.
Shiroky JB (November 1997). "The use of folates concomitantly with low-dose pulse methotrexate". Rheumatic Disease Clinics of North America. 23 (4): 969–80. doi:10.1016/S0889-857X(05)70369-0. PMID 9361164.
Keshava C, Keshava N, Whong WZ, et al. (February 1998). "Inhibition of methotrexate-induced chromosomal damage by folinic acid in V79 cells". Mutation Research. 397 (2): 221–8. Bibcode:1998MRFMM.397..221K. doi:10.1016/S0027-5107(97)00216-9. PMID 9541646.
Shen L, Ji HF (2015). "Associations between Homocysteine, Folic Acid, Vitamin B12 and Alzheimer's Disease: Insights from Meta-Analyses". J. Alzheimers Dis. 46 (3): 777–90. doi:10.3233/JAD-150140. PMID 25854931.
Ford AH, Almeida OP (2012). "Effect of homocysteine lowering treatment on cognitive function: a systematic review and meta-analysis of randomized controlled trials". J. Alzheimers Dis. 29 (1): 133–49. doi:10.3233/JAD-2012-111739. PMID 22232016.
Wald DS, Kasturiratne A, Simmonds M (June 2010). "Effect of folic acid, with or without other B vitamins, on cognitive decline: meta-analysis of randomized trials". Am. J. Med. 123 (6): 522–527.e2. doi:10.1016/j.amjmed.2010.01.017. PMID 20569758.
Wang M, Li K, Zhao D, et al. (2017). "The association between maternal use of folic acid supplements during pregnancy and risk of autism spectrum disorders in children: a meta-analysis". Mol Autism. 8 51. doi:10.1186/s13229-017-0170-8. PMC 5625821. PMID 29026508.
Rossignol DA, Frye RE (November 2021). "Cerebral folate deficiency, folate receptor alpha autoantibodies and leucovorin (folinic acid) treatment in autism spectrum disorders: A systematic review and meta-analysis". J Pers Med. 11 (11): 1141. doi:10.3390/jpm11111141. PMC 8622150. PMID 34834493.
Coppen A, Bolander-Gouaille C (January 2005). "Treatment of depression: time to consider folic acid and vitamin B12". Journal of Psychopharmacology. 19 (1): 59–65. doi:10.1177/0269881105048899. PMID 15671130. S2CID 4828454.
Gao S, Khalid A, Amini-Salehi E, et al. (June 2024). "Folate supplementation as a beneficial add-on treatment in relieving depressive symptoms: A meta-analysis of meta-analyses". Food Science & Nutrition. 12 (6): 3806–3818. doi:10.1002/fsn3.4073. PMC 11167194. PMID 38873435.
Gilbody S, Lewis S, Lightfoot T (January 2007). "Methylenetetrahydrofolate reductase (MTHFR) genetic polymorphisms and psychiatric disorders: a HuGE review". American Journal of Epidemiology. 165 (1): 1–13. doi:10.1093/aje/kwj347. PMID 17074966.
Gilbody S, Lightfoot T, Sheldon T (July 2007). "Is low folate a risk factor for depression? A meta-analysis and exploration of heterogeneity". Journal of Epidemiology and Community Health. 61 (7): 631–7. doi:10.1136/jech.2006.050385. PMC 2465760. PMID 17568057.
Krebs MO, Bellon A, Mainguy G, et al. (December 2009). "One-carbon metabolism and schizophrenia: current challenges and future directions". Trends in Molecular Medicine. 15 (12): 562–70. doi:10.1016/j.molmed.2009.10.001. PMID 19896901.
Liwinski T, Lang UE (September 2023). "Folate and Its Significance in Depressive Disorders and Suicidality: A Comprehensive Narrative Review". Nutrients. 15 (17): 3859. doi:10.3390/nu15173859. PMC 10490031. PMID 37686891.
Vreugdenhil G, Wognum AW, van Eijk HG, et al. (February 1990). "Anaemia in rheumatoid arthritis: the role of iron, vitamin B12, and folic acid deficiency, and erythropoietin responsiveness". Annals of the Rheumatic Diseases. 49 (2): 93–98. doi:10.1136/ard.49.2.93. PMC 1003985. PMID 2317122.
Allen RH, Stabler SP, Savage DG, et al. (June 1990). "Diagnosis of cobalamin deficiency I: usefulness of serum methylmalonic acid and total homocysteine concentrations". American Journal of Hematology. 34 (2): 90–98. doi:10.1002/ajh.2830340204. PMID 2339683. S2CID 23092095.
Reynolds E (November 2006). "Vitamin B12, folic acid, and the nervous system". The Lancet. Neurology. 5 (11): 949–960. doi:10.1016/S1474-4422(06)70598-1. PMID 17052662. S2CID 2165819.
Sari LM (2022). "Nutritional Therapy in the Treatment of Recurrent Aphthous Stomatitis: A Literature Review". Proceedings of the 2nd Aceh International Dental Meeting 2021 (AIDEM 2021). Vol. 48. doi:10.2991/ahsr.k.220302.006. ISBN 978-94-6239-545-9.
Wray D, Ferguson MM, Hutcheon WA, et al. (November 1978). "Nutritional deficiencies in recurrent aphthae". Journal of Oral Pathology. 7 (6): 418–423. doi:10.1111/j.1600-0714.1978.tb01612.x. PMID 105102.
Alpers DH (July 2016). "Absorption and blood/cellular transport of folate and cobalamin: Pharmacokinetic and physiological considerations". Biochimie. 126: 52–6. doi:10.1016/j.biochi.2015.11.006. PMC 4867132. PMID 26586110.
Said HM (August 2011). "Intestinal absorption of water-soluble vitamins in health and disease". Biochem J. 437 (3): 357–72. doi:10.1042/BJ20110326. PMC 4049159. PMID 21749321.
Visentin M, Diop-Bove N, Zhao R, et al. (2014). "The intestinal absorption of folates". Annu Rev Physiol. 76: 251–74. doi:10.1146/annurev-physiol-020911-153251. PMC 3982215. PMID 24512081.
Bailey SW, Ayling JE (September 2009). "The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake". Proceedings of the National Academy of Sciences of the United States of America. 106 (36): 15424–9. Bibcode:2009PNAS..10615424B. doi:10.1073/pnas.0902072106. PMC 2730961. PMID 19706381.
Rossi M, Amaretti A, Raimondi S (January 2011). "Folate production by probiotic bacteria". Nutrients. 3 (1): 118–34. doi:10.3390/nu3010118. PMC 3257725. PMID 22254078.
Carmen AJ, Carlos M (2008). "Chapter 2 – Antimetabolites". Medicinal Chemistry of Anticancer Drugs. pp. 9–52. doi:10.1016/B978-0-444-52824-7.00002-0. ISBN 978-0-444-52824-7. Figure 2.27: Biotransformation of folic acid into folinic acids
Benkovic SJ, Hammes-Schiffer S (August 2003). "A perspective on enzyme catalysis". Science. 301 (5637): 1196–202. Bibcode:2003Sci...301.1196B. doi:10.1126/science.1085515. PMID 12947189. S2CID 7899320.
Christensen KE, Mackenzie RE (2008). "Mitochondrial methylenetetrahydrofolate dehydrogenase, methenyltetrahydrofolate cyclohydrolase, and formyltetrahydrofolate synthetases". Vitamins and Hormones. 79: 393–410. doi:10.1016/S0083-6729(08)00414-7. PMID 18804703.
Stover P, Schirch V (August 1990). "Serine hydroxymethyltransferase catalyzes the hydrolysis of 5,10-methenyltetrahydrofolate to 5-formyltetrahydrofolate". The Journal of Biological Chemistry. 265 (24): 14227–33. Bibcode:1990JBiCh.26514227S. doi:10.1016/S0021-9258(18)77290-6. PMID 2201683.
Ducker GS, Rabinowitz JD (January 2017). "One-Carbon Metabolism in Health and Disease". Cell Metabolism. 25 (1): 27–42. doi:10.1016/j.cmet.2016.08.009. PMC 5353360. PMID 27641100.
Rajagopalan PT, Zhang Z, McCourt L, et al. (October 2002). "Interaction of dihydrofolate reductase with methotrexate: Ensemble and single-molecule kinetics". Proceedings of the National Academy of Sciences of the United States of America. 99 (21): 13481–6. Bibcode:2002PNAS...9913481R. doi:10.1073/pnas.172501499. PMC 129699. PMID 12359872.
McGuire JJ (2003). "Anticancer antifolates: current status and future directions". Current Pharmaceutical Design. 9 (31): 2593–613. doi:10.2174/1381612033453712. PMID 14529544.
Verrotti A, Tana M, Pelliccia P, et al. (March 2006). "Recent advances on neural tube defects with special reference to Valproic Acid". Endocr Metab Immune Disord Drug Targets. 6 (1): 25–31. doi:10.2174/187153006776056657. PMID 16611162.
Tanoshima M, Kobayashi T, Tanoshima R, et al. (October 2015). "Risks of congenital malformations in offspring exposed to valproic acid in utero: A systematic review and cumulative meta-analysis". Clin. Pharmacol. Ther. 98 (4): 417–41. doi:10.1002/cpt.158. PMID 26044279. S2CID 205715968.
Veroniki AA, Rios P, Cogo E, et al. (July 2017). "Comparative safety of antiepileptic drugs for neurological development in children exposed during pregnancy and breast feeding: a systematic review and network meta-analysis". BMJ Open. 7 (7) e017248. doi:10.1136/bmjopen-2017-017248. PMC 5642793. PMID 28729328.
Shibata K, Fukuwatari T, Imai E, et al. (2013). "Dietary Reference Intakes for Japanese 2010: Water-Soluble Vitamins". Journal of Nutritional Science and Vitaminology. 2013 (59): S67–S82. doi:10.3177/jnsv.59.S67. Archived from the original on 14 September 2019. Retrieved 27 September 2018.
Obeid R, Herrmann W (October 2012). "The emerging role of unmetabolized folic acid in human diseases: myth or reality?". Current Drug Metabolism. 13 (8): 1184–95. doi:10.2174/138920012802850137. PMID 22746304.
Hamid A, Wani NA, Kaur J (April 2009). "New perspectives on folate transport in relation to alcoholism-induced folate malabsorption–association with epigenome stability and cancer development". The FEBS Journal. 276 (8): 2175–91. doi:10.1111/j.1742-4658.2009.06959.x. PMID 19292860. S2CID 8591709.
Lohner S, Fekete K, Berti C, et al. (December 2012). "Effect of folate supplementation on folate status and health outcomes in infants, children and adolescents: a systematic review". International Journal of Food Sciences and Nutrition. 63 (8): 1014–20. doi:10.3109/09637486.2012.683779. PMID 22574624. S2CID 26868696.
Sloan JL, Johnston JJ, Manoli I, et al. (August 2011). "Exome sequencing identifies ACSF3 as a cause of combined malonic and methylmalonic aciduria". Nat Genet. 43 (9): 883–86. doi:10.1038/ng.908. PMC 3163731. PMID 21841779.
de Sain-van der Velden MG, van der Ham M, Jans JJ, et al. (February 2016). "A New Approach for Fast Metabolic Diagnostics in CMAMMA". JIMD Rep. JIMD Reports. 30: 15–22. doi:10.1007/8904_2016_531. ISBN 978-3-662-53680-3. PMC 5110436. PMID 26915364.{{cite journal}}: CS1 maint: periodical has ISBN (link)
Varela-Moreiras G, Murphy MM, Scott JM (May 2009). "Cobalamin, folic acid, and homocysteine". Nutrition Reviews. 67 (Suppl 1): S69-72. doi:10.1111/j.1753-4887.2009.00163.x. hdl:2262/34510. PMID 19453682.
Dietrich M, Brown CJ, Block G (August 2005). "The effect of folate fortification of cereal-grain products on blood folate status, dietary folate intake, and dietary folate sources among adult non-supplement users in the United States". Journal of the American College of Nutrition. 24 (4): 266–74. doi:10.1080/07315724.2005.10719474. PMID 16093404. S2CID 24699315.
De Wals P, Tairou F, Van Allen MI, et al. (July 2007). "Reduction in neural-tube defects after folic acid fortification in Canada". The New England Journal of Medicine. 357 (2): 135–42. doi:10.1056/NEJMoa067103. PMID 17625125.
Crandall BF, Corson VL, Evans MI, et al. (July 1998). "American College of Medical Genetics statement on folic acid: fortification and supplementation". American Journal of Medical Genetics. 78 (4): 381. doi:10.1002/(SICI)1096-8628(19980724)78:4<381::AID-AJMG16>3.0.CO;2-E. PMID 9714444.
Choumenkovitch SF, Selhub J, Wilson PW, et al. (September 2002). "Folic acid intake from fortification in United States exceeds predictions". The Journal of Nutrition. 132 (9): 2792–8. doi:10.1093/jn/132.9.2792. PMID 12221247.
Quinlivan EP, Gregory JF (January 2003). "Effect of food fortification on folic acid intake in the United States". The American Journal of Clinical Nutrition. 77 (1): 221–5. doi:10.1093/ajcn/77.1.221. PMID 12499345.
Lanska DJ (2009). "Chapter 30 Historical aspects of the major neurological vitamin deficiency disorders: The water-soluble B vitamins". History of Neurology. Handbook of Clinical Neurology. Vol. 95. pp. 445–476. doi:10.1016/S0072-9752(08)02130-1. ISBN 978-0-444-52009-8. PMID 19892133.
Wills L (May 1978). "Nutrition Classics. British Medical Journal 1:1059–64, 1931. Treatment of "pernicious anaemia of pregnancy" and "tropical anaemia" with special reference to yeast extract as a curative agent. By Lucy Wills". Nutrition Reviews. 36 (5): 149–51. doi:10.1111/j.1753-4887.1978.tb03735.x. PMID 355948.
Mitchell HK, Snell EE, Williams RJ (1941). "The concentration of "folic acid"". J Am Chem Soc. 63 (8): 2284. Bibcode:1941JAChS..63.2284M. doi:10.1021/ja01853a512.
Paul C (February 2016). "Folic acid in pregnancy". BJOG. 123 (3): 392. doi:10.1111/1471-0528.13602. PMID 26810675.
Angier RB, Boothe JH, Hutchings BL, et al. (August 1945). "Synthesis of a Compound Identical with the L. Casei Factor Isolated from Liver". Science. 102 (2644): 227–8. Bibcode:1945Sci...102..227A. doi:10.1126/science.102.2644.227. PMID 17778509.
Farber S, Diamond LK (June 1948). "Temporary remissions in acute leukemia in children produced by folic acid antagonist, 4-aminopteroyl-glutamic acid". The New England Journal of Medicine. 238 (23): 787–93. doi:10.1056/NEJM194806032382301. PMID 18860765.

drugs.com (Global: 529^th place; English: 550^th place)

"Folic Acid". Drugs.com. American Society of Health-System Pharmacists. 23 December 2024. Retrieved 7 September 2025.

ebi.ac.uk (Global: 4,422^nd place; English: 7,719^th place)

"Folic acid". Chemical Entities of Biological Interest (ChEBI). European Bioinformatics Institute. Archived from the original on 31 July 2020. Retrieved 15 December 2019.

escholarship.org (Global: 1,477^th place; English: 863^rd place)

Bibbins-Domingo K, Grossman DC, Curry SJ, et al. (January 2017). "Folic Acid Supplementation for the Prevention of Neural Tube Defects: US Preventive Services Task Force Recommendation Statement". JAMA. 317 (2): 183–189. doi:10.1001/jama.2016.19438. PMID 28097362. S2CID 205077749.

europa.eu (Global: 62^nd place; English: 100^th place)

efsa.europa.eu

"Overview on Dietary Reference Values for the EU population as derived by the EFSA Panel on Dietetic Products, Nutrition and Allergies" (PDF). 2017. Archived (PDF) from the original on 28 August 2017.
"Tolerable Upper Intake Levels For Vitamins And Minerals" (PDF). European Food Safety Authority. 2006. Archived (PDF) from the original on 19 September 2017. Retrieved 16 May 2016.

eur-lex.europa.eu

"Regulation (EU) No 1169/2011 of the European Parliament and of the Council". Official Journal of the European Union. 22 (11): 18–63. 2011. Archived from the original on 26 July 2017. Retrieved 26 September 2018.

expasy.org (Global: 5,863^rd place; English: 5,738^th place)

us.expasy.org

"EC 1.5.1.3". Us.expasy.org. Archived from the original on 13 June 2011. Retrieved 9 September 2012.

fda.gov (Global: 470^th place; English: 329^th place)

"Changes to the Nutrition Facts Label". U.S. Food and Drug Administration (FDA). 27 May 2016. Archived from the original on 6 May 2018. Retrieved 16 May 2020. This article incorporates text from this source, which is in the public domain.
"Industry Resources on the Changes to the Nutrition Facts Label". U.S. Food and Drug Administration (FDA). 21 December 2018. Archived from the original on 25 December 2020. Retrieved 16 May 2020. This article incorporates text from this source, which is in the public domain.

ffinetwork.org (Global: low place; English: low place)

"Why fortify?". Food Fortification Initiative. 2017. Archived from the original on 4 April 2017. Retrieved 30 April 2019.
"Why fortify?". Food Fortification Initiative. 2017. Archived from the original on 4 April 2017. Retrieved 4 April 2017.

food.gov.uk (Global: 8,191^st place; English: 6,354^th place)

FSA (17 May 2007). "Board recommends mandatory fortification". Archived from the original on 24 June 2007. Retrieved 18 May 2007.

foodstandards.gov.au (Global: low place; English: low place)

"Folic Acid Fortification". Food Standards Australia New Zealand. 2016. Archived from the original on 26 September 2018. Retrieved 25 September 2018.

fortificationdata.org (Global: low place; English: low place)

"Number of Nutrients In Fortification Standards". Global Fortification Data Exchange. Archived from the original on 28 September 2025. Retrieved 28 September 2025.

gov.uk (Global: 401^st place; English: 228^th place)

"Birth defects prevented by fortifying flour with folic acid".

govinfo.gov (Global: 1,755^th place; English: 831^st place)

"Food and Drug Administration. Food standards: amendment of standards of identity for enriched grain products to require addition of folic acid. Final Rule. 21 CFR Parts 136, 137, and 139" (PDF). Federal Register. March 1996. pp. 8781–89. Archived (PDF) from the original on 6 October 2019. Retrieved 6 October 2019.

gpo.gov (Global: 1,819^th place; English: 1,036^th place)

"Federal Register May 27, 2016 Food Labeling: Revision of the Nutrition and Supplement Facts Labels. FR page 33982" (PDF). Archived (PDF) from the original on 7 October 2021. Retrieved 30 August 2017.

hc-sc.gc.ca (Global: low place; English: low place)

"Welcome to the Health Canada Web site". Hc-sc.gc.ca. Archived from the original on 10 September 2012. Retrieved 9 September 2012.

hdl.handle.net (Global: 66^th place; English: 34^th place)

World Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl:10665/325771. WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO.
Pelucchi C, Talamini R, Negri E, et al. (November 2003). "Folate intake and risk of oral and pharyngeal cancer". Annals of Oncology. 14 (11): 1677–1681. doi:10.1093/annonc/mdg448. hdl:2434/724442. PMID 14581278.
Varela-Moreiras G, Murphy MM, Scott JM (May 2009). "Cobalamin, folic acid, and homocysteine". Nutrition Reviews. 67 (Suppl 1): S69-72. doi:10.1111/j.1753-4887.2009.00163.x. hdl:2262/34510. PMID 19453682.

healthlinkbc.ca (Global: low place; English: low place)

"Folate and Your Health – HealthLinkBC File #68g". Healthlink British Columbia. Archived from the original on 9 July 2012. Retrieved 9 September 2012.

indianpediatrics.net (Global: low place; English: low place)

Pasricha S, Shet A, Sachdev HP, et al. (October 2009). "Risks of routine iron and folic acid supplementation for young children" (PDF). Indian Pediatrics. 46 (10): 857–66. PMID 19887691. Archived (PDF) from the original on 12 June 2010.

jst.go.jp (Global: 1,248^th place; English: 1,827^th place)

jstage.jst.go.jp

Shibata K, Fukuwatari T, Imai E, et al. (2013). "Dietary Reference Intakes for Japanese 2010: Water-Soluble Vitamins". Journal of Nutritional Science and Vitaminology. 2013 (59): S67–S82. doi:10.3177/jnsv.59.S67. Archived from the original on 14 September 2019. Retrieved 27 September 2018.

medlineplus.gov (Global: 1,521^st place; English: 1,017^th place)

"Folic Acid". MedlinePlus. U.S. National Library of Medicine, National Institutes of Health, U.S. Department of Health and Human Services. Archived from the original on 31 July 2020. Retrieved 15 December 2019.
"Folic acid in diet". MedlinePlus. U.S. National Library of Medicine, National Institutes of Health, U.S. Department of Health and Human Services. Archived from the original on 31 July 2020. Retrieved 15 December 2019.
"Folate deficiency: MedlinePlus Medical Encyclopedia". nlm.nih.gov. Archived from the original on 17 November 2015. Retrieved 16 November 2015.

medscape.com (Global: 1,078^th place; English: 916^th place)

Chustecka Z (2009). "Folic-acid fortification of flour and increased rates of colon cancer". Medscape. Archived from the original on 25 November 2010. Retrieved 9 November 2009.

merckvetmanual.com (Global: low place; English: 7,397^th place)

Boothe DM. "Sulfonamides and Sulfonamide Combinations". Merck Veterinary Manual. Kenilworth, NJ: Merck & Co., Inc. Archived from the original on 7 August 2020. Retrieved 10 October 2019.

mpi.govt.nz (Global: low place; English: low place)

"Fortifying bread-making flour to protect babies is mandatory from today" (Press release). Ministry of Primary Industries. 14 August 2023.

nap.edu (Global: 2,540^th place; English: 1,815^th place)

Institute of Medicine (1998). "Folate". Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington, DC: The National Academies Press. pp. 196–305. ISBN 978-0-309-06554-2. Archived from the original on 25 September 2019. Retrieved 25 September 2019.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Welch AD (1983). "Folic acid: discovery and the exciting first decade". Perspect. Biol. Med. 27 (1): 64–75. doi:10.1353/pbm.1983.0006. PMID 6359053. S2CID 31993927.
Bibbins-Domingo K, Grossman DC, Curry SJ, et al. (January 2017). "Folic Acid Supplementation for the Prevention of Neural Tube Defects: US Preventive Services Task Force Recommendation Statement". JAMA. 317 (2): 183–189. doi:10.1001/jama.2016.19438. PMID 28097362. S2CID 205077749.
Wald NJ, Morris JK, Blakemore C (2018). "Public health failure in the prevention of neural tube defects: time to abandon the tolerable upper intake level of folate". Public Health Reviews. 39 2. doi:10.1186/s40985-018-0079-6. PMC 5809909. PMID 29450103.
Li Y, Huang T, Zheng Y, et al. (August 2016). "Folic Acid Supplementation and the Risk of Cardiovascular Diseases: A Meta-Analysis of Randomized Controlled Trials" (PDF). Journal of the American Heart Association. 5 (8) e003768. doi:10.1161/JAHA.116.003768. PMC 5015297. PMID 27528407. Archived (PDF) from the original on 27 April 2021. Retrieved 4 November 2018.
Wien TN, Pike E, Wisløff T, et al. (January 2012). "Cancer risk with folic acid supplements: a systematic review and meta-analysis". BMJ Open. 2 (1) e000653. doi:10.1136/bmjopen-2011-000653. PMC 3278486. PMID 22240654.
Fardous AM, Heydari AR (November 2023). "Uncovering the Hidden Dangers and Molecular Mechanisms of Excess Folate: A Narrative Review". Nutrients. 15 (21): 4699. doi:10.3390/nu15214699. PMC 10648405. PMID 37960352.
Zheng Y, Cantley LC (February 2019). "Toward a better understanding of folate metabolism in health and disease". The Journal of Experimental Medicine. 216 (2): 253–266. doi:10.1084/jem.20181965. PMC 6363433. PMID 30587505.
Naderi N, House JD (2018). "Chapter Five – Recent Developments in Folate Nutrition". Advances in Food and Nutrition Research. 83. Elsevier: 195–213. doi:10.1016/bs.afnr.2017.12.006. PMID 29477222.
Lan X, Field MS, Stover PJ (November 2018). "Cell cycle regulation of folate-mediated one-carbon metabolism". Wiley Interdiscip Rev Syst Biol Med. 10 (6) e1426. doi:10.1002/wsbm.1426. PMC 11875019. PMID 29889360. S2CID 47014043.
Froese DS, Fowler B, Baumgartner MR (July 2019). "Vitamin B12, folate, and the methionine remethylation cycle-biochemistry, pathways, and regulation". Journal of Inherited Metabolic Disease. 42 (4): 673–685. doi:10.1002/jimd.12009. PMID 30693532.
Hoffbrand AV, Weir DG (June 2001). "The history of folic acid". British Journal of Haematology. 113 (3): 579–89. doi:10.1046/j.1365-2141.2001.02822.x. PMID 11380441. S2CID 22925228.
Berry RJ, Bailey L, Mulinare J, et al. (2010). "Fortification of flour with folic acid". Food Nutr Bull. 31 (1 Suppl): S22–S35. doi:10.1177/15648265100311S103. PMID 20629350. S2CID 36706350.
Wilson RD, Wilson RD, Audibert F, et al. (June 2015). "Pre-conception Folic Acid and Multivitamin Supplementation for the Primary and Secondary Prevention of Neural Tube Defects and Other Folic Acid-Sensitive Congenital Anomalies". Journal of Obstetrics and Gynaecology Canada. 37 (6): 534–52. doi:10.1016/s1701-2163(15)30230-9. PMID 26334606.
Atta CA, Fiest KM, Frolkis AD, et al. (January 2016). "Global Birth Prevalence of Spina Bifida by Folic Acid Fortification Status: A Systematic Review and Meta-Analysis". American Journal of Public Health. 106 (1): e24-34. doi:10.2105/AJPH.2015.302902. PMC 4695937. PMID 26562127.
Castillo-Lancellotti C, Tur JA, Uauy R (2013). "Impact of folic acid fortification of flour on neural tube defects: a systematic review". Public Health Nutr. 16 (5): 901–911. doi:10.1017/S1368980012003576. PMC 10271422. PMID 22850218.
Feng Y, Wang S, Chen R, et al. (February 2015). "Maternal folic acid supplementation and the risk of congenital heart defects in offspring: a meta-analysis of epidemiological observational studies". Scientific Reports. 5 8506. Bibcode:2015NatSR...5.8506F. doi:10.1038/srep08506. PMC 4330542. PMID 25687545.
Fekete K, Berti C, Trovato M, et al. (September 2012). "Effect of folate intake on health outcomes in pregnancy: a systematic review and meta-analysis on birth weight, placental weight and length of gestation". Nutrition Journal. 11 75. doi:10.1186/1475-2891-11-75. PMC 3499376. PMID 22992251.
Saccone G, Berghella V (April 2016). "Folic acid supplementation in pregnancy to prevent preterm birth: a systematic review and meta-analysis of randomized controlled trials". European Journal of Obstetrics, Gynecology, and Reproductive Biology. 199: 76–81. doi:10.1016/j.ejogrb.2016.01.042. PMID 26901401.
Devakumar D, Fall CH, Sachdev HS, et al. (June 2016). "Maternal antenatal multiple micronutrient supplementation for long-term health benefits in children: a systematic review and meta-analysis". BMC Medicine. 14 90. doi:10.1186/s12916-016-0633-3. PMC 4910255. PMID 27306908.
Crider KS, Cordero AM, Qi YP, et al. (November 2013). "Prenatal folic acid and risk of asthma in children: a systematic review and meta-analysis". The American Journal of Clinical Nutrition. 98 (5): 1272–81. doi:10.3945/ajcn.113.065623. PMC 5369603. PMID 24004895.
Ebisch IM, Thomas CM, Peters WH, et al. (March–April 2007). "The importance of folate, zinc and antioxidants in the pathogenesis and prevention of subfertility". Human Reproduction Update. 13 (2): 163–74. doi:10.1093/humupd/dml054. PMID 17099205.
Yang HT, Lee M, Hong KS, et al. (December 2012). "Efficacy of folic acid supplementation in cardiovascular disease prevention: an updated meta-analysis of randomized controlled trials". Eur. J. Intern. Med. 23 (8): 745–54. doi:10.1016/j.ejim.2012.07.004. PMID 22884409.
Bazzano LA (August 2011). "No effect of folic acid supplementation on cardiovascular events, cancer or mortality after 5 years in people at increased cardiovascular risk, although homocysteine levels are reduced". Evidence-Based Medicine. 16 (4): 117–8. doi:10.1136/ebm1204. PMID 21402567. S2CID 20470125.
Tian T, Yang KQ, Cui JG, et al. (October 2017). "Folic Acid Supplementation for Stroke Prevention in Patients With Cardiovascular Disease". Am. J. Med. Sci. 354 (4): 379–387. doi:10.1016/j.amjms.2017.05.020. PMID 29078842. S2CID 3500861.
Zhao M, Wu G, Li Y, et al. (May 2017). "Meta-analysis of folic acid efficacy trials in stroke prevention: Insight into effect modifiers". Neurology. 88 (19): 1830–1838. doi:10.1212/WNL.0000000000003909. PMID 28404799. S2CID 325155.
Jägerstad M (October 2012). "Folic acid fortification prevents neural tube defects and may also reduce cancer risks". Acta Paediatrica. 101 (10): 1007–1012. doi:10.1111/j.1651-2227.2012.02781.x. PMID 22783992. S2CID 3458384.
Weinstein SJ, Hartman TJ, Stolzenberg-Solomon R, et al. (November 2003). "Null association between prostate cancer and serum folate, vitamin B(6), vitamin B(12), and homocysteine". Cancer Epidemiology, Biomarkers & Prevention. 12 (11 Pt 1): 1271–1272. PMID 14652294. Archived from the original on 22 February 2017.
Pelucchi C, Talamini R, Negri E, et al. (November 2003). "Folate intake and risk of oral and pharyngeal cancer". Annals of Oncology. 14 (11): 1677–1681. doi:10.1093/annonc/mdg448. hdl:2434/724442. PMID 14581278.
Stein CJ, Colditz GA (January 2004). "Modifiable risk factors for cancer". British Journal of Cancer. 90 (2): 299–303. doi:10.1038/sj.bjc.6601509. PMC 2410150. PMID 14735167.
Mason JB, Dickstein A, Jacques PF, et al. (July 2007). "A temporal association between folic acid fortification and an increase in colorectal cancer rates may be illuminating important biological principles: a hypothesis". Cancer Epidemiology, Biomarkers & Prevention. 16 (7): 1325–9. doi:10.1158/1055-9965.EPI-07-0329. PMID 17626997.
Kim DH, Smith-Warner SA, Spiegelman D, et al. (November 2010). "Pooled analyses of 13 prospective cohort studies on folate intake and colon cancer". Cancer Causes Control. 21 (11): 1919–30. doi:10.1007/s10552-010-9620-8. PMC 3082430. PMID 20820900.
Wang R, Zheng Y, Huang JY, et al. (December 2014). "Folate intake, serum folate levels, and prostate cancer risk: a meta-analysis of prospective studies". BMC Public Health. 14 (1) 1326. doi:10.1186/1471-2458-14-1326. PMC 4320532. PMID 25543518.
Tio M, Andrici J, Cox MR, et al. (September 2014). "Folate intake and the risk of prostate cancer: a systematic review and meta-analysis". Prostate Cancer Prostatic Dis. 17 (3): 213–9. doi:10.1038/pcan.2014.16. PMID 24819234. S2CID 27184844.
Qin X, Cui Y, Shen L, et al. (September 2013). "Folic acid supplementation and cancer risk: a meta-analysis of randomized controlled trials". Int. J. Cancer. 133 (5): 1033–41. doi:10.1002/ijc.28038. PMID 23338728. S2CID 19830376.
Qin T, Du M, Du H, et al. (July 2015). "Folic acid supplements and colorectal cancer risk: meta-analysis of randomized controlled trials". Sci Rep. 5 12044. Bibcode:2015NatSR...512044Q. doi:10.1038/srep12044. PMC 4487230. PMID 26131763.
Kamen B (October 1997). "Folate and antifolate pharmacology". Seminars in Oncology. 24 (5 Suppl 18): S18-30-S18-39. PMID 9420019.
Gonen N, Assaraf YG (August 2012). "Antifolates in cancer therapy: structure, activity and mechanisms of drug resistance". Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy. 15 (4): 183–210. doi:10.1016/j.drup.2012.07.002. PMID 22921318.
Rubio IT, Cao Y, Hutchins LF, et al. (May 1998). "Effect of glutamine on methotrexate efficacy and toxicity". Annals of Surgery. 227 (5): 772–8, discussion 778–80. doi:10.1097/00000658-199805000-00018. PMC 1191365. PMID 9605669.
Wolff JE, Hauch H, Kühl J, et al. (1998). "Dexamethasone increases hepatotoxicity of MTX in children with brain tumors". Anticancer Research. 18 (4B): 2895–9. PMID 9713483.
Kepka L, De Lassence A, Ribrag V, et al. (March 1998). "Successful rescue in a patient with high dose methotrexate-induced nephrotoxicity and acute renal failure". Leukemia & Lymphoma. 29 (1–2): 205–9. doi:10.3109/10428199809058397. PMID 9638991.
Branda RF, Nigels E, Lafayette AR, et al. (October 1998). "Nutritional folate status influences the efficacy and toxicity of chemotherapy in rats". Blood. 92 (7): 2471–6. doi:10.1182/blood.V92.7.2471. PMID 9746787.
Shiroky JB (November 1997). "The use of folates concomitantly with low-dose pulse methotrexate". Rheumatic Disease Clinics of North America. 23 (4): 969–80. doi:10.1016/S0889-857X(05)70369-0. PMID 9361164.
Keshava C, Keshava N, Whong WZ, et al. (February 1998). "Inhibition of methotrexate-induced chromosomal damage by folinic acid in V79 cells". Mutation Research. 397 (2): 221–8. Bibcode:1998MRFMM.397..221K. doi:10.1016/S0027-5107(97)00216-9. PMID 9541646.
Shen L, Ji HF (2015). "Associations between Homocysteine, Folic Acid, Vitamin B12 and Alzheimer's Disease: Insights from Meta-Analyses". J. Alzheimers Dis. 46 (3): 777–90. doi:10.3233/JAD-150140. PMID 25854931.
Ford AH, Almeida OP (2012). "Effect of homocysteine lowering treatment on cognitive function: a systematic review and meta-analysis of randomized controlled trials". J. Alzheimers Dis. 29 (1): 133–49. doi:10.3233/JAD-2012-111739. PMID 22232016.
Li MM, Yu JT, Wang HF, et al. (2014). "Efficacy of vitamins B supplementation on mild cognitive impairment and Alzheimer's disease: a systematic review and meta-analysis". Curr Alzheimer Res. 11 (9): 844–52. PMID 25274113.
Wald DS, Kasturiratne A, Simmonds M (June 2010). "Effect of folic acid, with or without other B vitamins, on cognitive decline: meta-analysis of randomized trials". Am. J. Med. 123 (6): 522–527.e2. doi:10.1016/j.amjmed.2010.01.017. PMID 20569758.
Wang M, Li K, Zhao D, et al. (2017). "The association between maternal use of folic acid supplements during pregnancy and risk of autism spectrum disorders in children: a meta-analysis". Mol Autism. 8 51. doi:10.1186/s13229-017-0170-8. PMC 5625821. PMID 29026508.
Rossignol DA, Frye RE (November 2021). "Cerebral folate deficiency, folate receptor alpha autoantibodies and leucovorin (folinic acid) treatment in autism spectrum disorders: A systematic review and meta-analysis". J Pers Med. 11 (11): 1141. doi:10.3390/jpm11111141. PMC 8622150. PMID 34834493.
Coppen A, Bolander-Gouaille C (January 2005). "Treatment of depression: time to consider folic acid and vitamin B12". Journal of Psychopharmacology. 19 (1): 59–65. doi:10.1177/0269881105048899. PMID 15671130. S2CID 4828454.
Gao S, Khalid A, Amini-Salehi E, et al. (June 2024). "Folate supplementation as a beneficial add-on treatment in relieving depressive symptoms: A meta-analysis of meta-analyses". Food Science & Nutrition. 12 (6): 3806–3818. doi:10.1002/fsn3.4073. PMC 11167194. PMID 38873435.
Gilbody S, Lewis S, Lightfoot T (January 2007). "Methylenetetrahydrofolate reductase (MTHFR) genetic polymorphisms and psychiatric disorders: a HuGE review". American Journal of Epidemiology. 165 (1): 1–13. doi:10.1093/aje/kwj347. PMID 17074966.
Gilbody S, Lightfoot T, Sheldon T (July 2007). "Is low folate a risk factor for depression? A meta-analysis and exploration of heterogeneity". Journal of Epidemiology and Community Health. 61 (7): 631–7. doi:10.1136/jech.2006.050385. PMC 2465760. PMID 17568057.
Krebs MO, Bellon A, Mainguy G, et al. (December 2009). "One-carbon metabolism and schizophrenia: current challenges and future directions". Trends in Molecular Medicine. 15 (12): 562–70. doi:10.1016/j.molmed.2009.10.001. PMID 19896901.
Liwinski T, Lang UE (September 2023). "Folate and Its Significance in Depressive Disorders and Suicidality: A Comprehensive Narrative Review". Nutrients. 15 (17): 3859. doi:10.3390/nu15173859. PMC 10490031. PMID 37686891.
Vreugdenhil G, Wognum AW, van Eijk HG, et al. (February 1990). "Anaemia in rheumatoid arthritis: the role of iron, vitamin B12, and folic acid deficiency, and erythropoietin responsiveness". Annals of the Rheumatic Diseases. 49 (2): 93–98. doi:10.1136/ard.49.2.93. PMC 1003985. PMID 2317122.
Allen RH, Stabler SP, Savage DG, et al. (June 1990). "Diagnosis of cobalamin deficiency I: usefulness of serum methylmalonic acid and total homocysteine concentrations". American Journal of Hematology. 34 (2): 90–98. doi:10.1002/ajh.2830340204. PMID 2339683. S2CID 23092095.
Reynolds E (November 2006). "Vitamin B12, folic acid, and the nervous system". The Lancet. Neurology. 5 (11): 949–960. doi:10.1016/S1474-4422(06)70598-1. PMID 17052662. S2CID 2165819.
Wray D, Ferguson MM, Hutcheon WA, et al. (November 1978). "Nutritional deficiencies in recurrent aphthae". Journal of Oral Pathology. 7 (6): 418–423. doi:10.1111/j.1600-0714.1978.tb01612.x. PMID 105102.
Pasricha S, Shet A, Sachdev HP, et al. (October 2009). "Risks of routine iron and folic acid supplementation for young children" (PDF). Indian Pediatrics. 46 (10): 857–66. PMID 19887691. Archived (PDF) from the original on 12 June 2010.
Alpers DH (July 2016). "Absorption and blood/cellular transport of folate and cobalamin: Pharmacokinetic and physiological considerations". Biochimie. 126: 52–6. doi:10.1016/j.biochi.2015.11.006. PMC 4867132. PMID 26586110.
Said HM (August 2011). "Intestinal absorption of water-soluble vitamins in health and disease". Biochem J. 437 (3): 357–72. doi:10.1042/BJ20110326. PMC 4049159. PMID 21749321.
Visentin M, Diop-Bove N, Zhao R, et al. (2014). "The intestinal absorption of folates". Annu Rev Physiol. 76: 251–74. doi:10.1146/annurev-physiol-020911-153251. PMC 3982215. PMID 24512081.
Bailey SW, Ayling JE (September 2009). "The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake". Proceedings of the National Academy of Sciences of the United States of America. 106 (36): 15424–9. Bibcode:2009PNAS..10615424B. doi:10.1073/pnas.0902072106. PMC 2730961. PMID 19706381.
Rossi M, Amaretti A, Raimondi S (January 2011). "Folate production by probiotic bacteria". Nutrients. 3 (1): 118–34. doi:10.3390/nu3010118. PMC 3257725. PMID 22254078.
Benkovic SJ, Hammes-Schiffer S (August 2003). "A perspective on enzyme catalysis". Science. 301 (5637): 1196–202. Bibcode:2003Sci...301.1196B. doi:10.1126/science.1085515. PMID 12947189. S2CID 7899320.
Christensen KE, Mackenzie RE (2008). "Mitochondrial methylenetetrahydrofolate dehydrogenase, methenyltetrahydrofolate cyclohydrolase, and formyltetrahydrofolate synthetases". Vitamins and Hormones. 79: 393–410. doi:10.1016/S0083-6729(08)00414-7. PMID 18804703.
Stover P, Schirch V (August 1990). "Serine hydroxymethyltransferase catalyzes the hydrolysis of 5,10-methenyltetrahydrofolate to 5-formyltetrahydrofolate". The Journal of Biological Chemistry. 265 (24): 14227–33. Bibcode:1990JBiCh.26514227S. doi:10.1016/S0021-9258(18)77290-6. PMID 2201683.
Ducker GS, Rabinowitz JD (January 2017). "One-Carbon Metabolism in Health and Disease". Cell Metabolism. 25 (1): 27–42. doi:10.1016/j.cmet.2016.08.009. PMC 5353360. PMID 27641100.
Rajagopalan PT, Zhang Z, McCourt L, et al. (October 2002). "Interaction of dihydrofolate reductase with methotrexate: Ensemble and single-molecule kinetics". Proceedings of the National Academy of Sciences of the United States of America. 99 (21): 13481–6. Bibcode:2002PNAS...9913481R. doi:10.1073/pnas.172501499. PMC 129699. PMID 12359872.
McGuire JJ (2003). "Anticancer antifolates: current status and future directions". Current Pharmaceutical Design. 9 (31): 2593–613. doi:10.2174/1381612033453712. PMID 14529544.
Verrotti A, Tana M, Pelliccia P, et al. (March 2006). "Recent advances on neural tube defects with special reference to Valproic Acid". Endocr Metab Immune Disord Drug Targets. 6 (1): 25–31. doi:10.2174/187153006776056657. PMID 16611162.
Tanoshima M, Kobayashi T, Tanoshima R, et al. (October 2015). "Risks of congenital malformations in offspring exposed to valproic acid in utero: A systematic review and cumulative meta-analysis". Clin. Pharmacol. Ther. 98 (4): 417–41. doi:10.1002/cpt.158. PMID 26044279. S2CID 205715968.
Veroniki AA, Rios P, Cogo E, et al. (July 2017). "Comparative safety of antiepileptic drugs for neurological development in children exposed during pregnancy and breast feeding: a systematic review and network meta-analysis". BMJ Open. 7 (7) e017248. doi:10.1136/bmjopen-2017-017248. PMC 5642793. PMID 28729328.
Obeid R, Herrmann W (October 2012). "The emerging role of unmetabolized folic acid in human diseases: myth or reality?". Current Drug Metabolism. 13 (8): 1184–95. doi:10.2174/138920012802850137. PMID 22746304.
Hamid A, Wani NA, Kaur J (April 2009). "New perspectives on folate transport in relation to alcoholism-induced folate malabsorption–association with epigenome stability and cancer development". The FEBS Journal. 276 (8): 2175–91. doi:10.1111/j.1742-4658.2009.06959.x. PMID 19292860. S2CID 8591709.
Lohner S, Fekete K, Berti C, et al. (December 2012). "Effect of folate supplementation on folate status and health outcomes in infants, children and adolescents: a systematic review". International Journal of Food Sciences and Nutrition. 63 (8): 1014–20. doi:10.3109/09637486.2012.683779. PMID 22574624. S2CID 26868696.
Zittoun J (June 1993). "Anémies par trouble du métabolisme des folates, de la vitamine B12 et des transcobalamines" [Anemias due to disorder of folate, vitamin B12 and transcobalamin metabolism]. La Revue du Praticien (in French). 43 (11): 1358–63. PMID 8235383.
Sloan JL, Johnston JJ, Manoli I, et al. (August 2011). "Exome sequencing identifies ACSF3 as a cause of combined malonic and methylmalonic aciduria". Nat Genet. 43 (9): 883–86. doi:10.1038/ng.908. PMC 3163731. PMID 21841779.
de Sain-van der Velden MG, van der Ham M, Jans JJ, et al. (February 2016). "A New Approach for Fast Metabolic Diagnostics in CMAMMA". JIMD Rep. JIMD Reports. 30: 15–22. doi:10.1007/8904_2016_531. ISBN 978-3-662-53680-3. PMC 5110436. PMID 26915364.{{cite journal}}: CS1 maint: periodical has ISBN (link)
Varela-Moreiras G, Murphy MM, Scott JM (May 2009). "Cobalamin, folic acid, and homocysteine". Nutrition Reviews. 67 (Suppl 1): S69-72. doi:10.1111/j.1753-4887.2009.00163.x. hdl:2262/34510. PMID 19453682.
Dietrich M, Brown CJ, Block G (August 2005). "The effect of folate fortification of cereal-grain products on blood folate status, dietary folate intake, and dietary folate sources among adult non-supplement users in the United States". Journal of the American College of Nutrition. 24 (4): 266–74. doi:10.1080/07315724.2005.10719474. PMID 16093404. S2CID 24699315.
Houghton LA (August 2014). "A country left behind: folic acid food fortification policy in New Zealand". The New Zealand Medical Journal. 127 (1399): 6–9. PMID 25145300.
De Wals P, Tairou F, Van Allen MI, et al. (July 2007). "Reduction in neural-tube defects after folic acid fortification in Canada". The New England Journal of Medicine. 357 (2): 135–42. doi:10.1056/NEJMoa067103. PMID 17625125.
Crandall BF, Corson VL, Evans MI, et al. (July 1998). "American College of Medical Genetics statement on folic acid: fortification and supplementation". American Journal of Medical Genetics. 78 (4): 381. doi:10.1002/(SICI)1096-8628(19980724)78:4<381::AID-AJMG16>3.0.CO;2-E. PMID 9714444.
Choumenkovitch SF, Selhub J, Wilson PW, et al. (September 2002). "Folic acid intake from fortification in United States exceeds predictions". The Journal of Nutrition. 132 (9): 2792–8. doi:10.1093/jn/132.9.2792. PMID 12221247.
Quinlivan EP, Gregory JF (January 2003). "Effect of food fortification on folic acid intake in the United States". The American Journal of Clinical Nutrition. 77 (1): 221–5. doi:10.1093/ajcn/77.1.221. PMID 12499345.
Centers for Disease Control Prevention (CDC) (16 January 2015). "Updated Estimates of Neural Tube Defects Prevented by Mandatory Folic Acid Fortification — United States, 1995–2011". MMWR. Morbidity and Mortality Weekly Report. 64 (1): 1–5. PMC 4584791. PMID 25590678. Archived from the original on 31 July 2020. Retrieved 15 September 2019.
Lanska DJ (2009). "Chapter 30 Historical aspects of the major neurological vitamin deficiency disorders: The water-soluble B vitamins". History of Neurology. Handbook of Clinical Neurology. Vol. 95. pp. 445–476. doi:10.1016/S0072-9752(08)02130-1. ISBN 978-0-444-52009-8. PMID 19892133.
Wills L (May 1978). "Nutrition Classics. British Medical Journal 1:1059–64, 1931. Treatment of "pernicious anaemia of pregnancy" and "tropical anaemia" with special reference to yeast extract as a curative agent. By Lucy Wills". Nutrition Reviews. 36 (5): 149–51. doi:10.1111/j.1753-4887.1978.tb03735.x. PMID 355948.
Paul C (February 2016). "Folic acid in pregnancy". BJOG. 123 (3): 392. doi:10.1111/1471-0528.13602. PMID 26810675.
Angier RB, Boothe JH, Hutchings BL, et al. (August 1945). "Synthesis of a Compound Identical with the L. Casei Factor Isolated from Liver". Science. 102 (2644): 227–8. Bibcode:1945Sci...102..227A. doi:10.1126/science.102.2644.227. PMID 17778509.
Farber S, Diamond LK (June 1948). "Temporary remissions in acute leukemia in children produced by folic acid antagonist, 4-aminopteroyl-glutamic acid". The New England Journal of Medicine. 238 (23): 787–93. doi:10.1056/NEJM194806032382301. PMID 18860765.

ncbi.nlm.nih.gov

Wald NJ, Morris JK, Blakemore C (2018). "Public health failure in the prevention of neural tube defects: time to abandon the tolerable upper intake level of folate". Public Health Reviews. 39 2. doi:10.1186/s40985-018-0079-6. PMC 5809909. PMID 29450103.
Li Y, Huang T, Zheng Y, et al. (August 2016). "Folic Acid Supplementation and the Risk of Cardiovascular Diseases: A Meta-Analysis of Randomized Controlled Trials" (PDF). Journal of the American Heart Association. 5 (8) e003768. doi:10.1161/JAHA.116.003768. PMC 5015297. PMID 27528407. Archived (PDF) from the original on 27 April 2021. Retrieved 4 November 2018.
Wien TN, Pike E, Wisløff T, et al. (January 2012). "Cancer risk with folic acid supplements: a systematic review and meta-analysis". BMJ Open. 2 (1) e000653. doi:10.1136/bmjopen-2011-000653. PMC 3278486. PMID 22240654.
Fardous AM, Heydari AR (November 2023). "Uncovering the Hidden Dangers and Molecular Mechanisms of Excess Folate: A Narrative Review". Nutrients. 15 (21): 4699. doi:10.3390/nu15214699. PMC 10648405. PMID 37960352.
Zheng Y, Cantley LC (February 2019). "Toward a better understanding of folate metabolism in health and disease". The Journal of Experimental Medicine. 216 (2): 253–266. doi:10.1084/jem.20181965. PMC 6363433. PMID 30587505.
Lan X, Field MS, Stover PJ (November 2018). "Cell cycle regulation of folate-mediated one-carbon metabolism". Wiley Interdiscip Rev Syst Biol Med. 10 (6) e1426. doi:10.1002/wsbm.1426. PMC 11875019. PMID 29889360. S2CID 47014043.
Atta CA, Fiest KM, Frolkis AD, et al. (January 2016). "Global Birth Prevalence of Spina Bifida by Folic Acid Fortification Status: A Systematic Review and Meta-Analysis". American Journal of Public Health. 106 (1): e24-34. doi:10.2105/AJPH.2015.302902. PMC 4695937. PMID 26562127.
Castillo-Lancellotti C, Tur JA, Uauy R (2013). "Impact of folic acid fortification of flour on neural tube defects: a systematic review". Public Health Nutr. 16 (5): 901–911. doi:10.1017/S1368980012003576. PMC 10271422. PMID 22850218.
Feng Y, Wang S, Chen R, et al. (February 2015). "Maternal folic acid supplementation and the risk of congenital heart defects in offspring: a meta-analysis of epidemiological observational studies". Scientific Reports. 5 8506. Bibcode:2015NatSR...5.8506F. doi:10.1038/srep08506. PMC 4330542. PMID 25687545.
Fekete K, Berti C, Trovato M, et al. (September 2012). "Effect of folate intake on health outcomes in pregnancy: a systematic review and meta-analysis on birth weight, placental weight and length of gestation". Nutrition Journal. 11 75. doi:10.1186/1475-2891-11-75. PMC 3499376. PMID 22992251.
Devakumar D, Fall CH, Sachdev HS, et al. (June 2016). "Maternal antenatal multiple micronutrient supplementation for long-term health benefits in children: a systematic review and meta-analysis". BMC Medicine. 14 90. doi:10.1186/s12916-016-0633-3. PMC 4910255. PMID 27306908.
Crider KS, Cordero AM, Qi YP, et al. (November 2013). "Prenatal folic acid and risk of asthma in children: a systematic review and meta-analysis". The American Journal of Clinical Nutrition. 98 (5): 1272–81. doi:10.3945/ajcn.113.065623. PMC 5369603. PMID 24004895.
Stein CJ, Colditz GA (January 2004). "Modifiable risk factors for cancer". British Journal of Cancer. 90 (2): 299–303. doi:10.1038/sj.bjc.6601509. PMC 2410150. PMID 14735167.
Kim DH, Smith-Warner SA, Spiegelman D, et al. (November 2010). "Pooled analyses of 13 prospective cohort studies on folate intake and colon cancer". Cancer Causes Control. 21 (11): 1919–30. doi:10.1007/s10552-010-9620-8. PMC 3082430. PMID 20820900.
Wang R, Zheng Y, Huang JY, et al. (December 2014). "Folate intake, serum folate levels, and prostate cancer risk: a meta-analysis of prospective studies". BMC Public Health. 14 (1) 1326. doi:10.1186/1471-2458-14-1326. PMC 4320532. PMID 25543518.
Qin T, Du M, Du H, et al. (July 2015). "Folic acid supplements and colorectal cancer risk: meta-analysis of randomized controlled trials". Sci Rep. 5 12044. Bibcode:2015NatSR...512044Q. doi:10.1038/srep12044. PMC 4487230. PMID 26131763.
Rubio IT, Cao Y, Hutchins LF, et al. (May 1998). "Effect of glutamine on methotrexate efficacy and toxicity". Annals of Surgery. 227 (5): 772–8, discussion 778–80. doi:10.1097/00000658-199805000-00018. PMC 1191365. PMID 9605669.
Wang M, Li K, Zhao D, et al. (2017). "The association between maternal use of folic acid supplements during pregnancy and risk of autism spectrum disorders in children: a meta-analysis". Mol Autism. 8 51. doi:10.1186/s13229-017-0170-8. PMC 5625821. PMID 29026508.
Rossignol DA, Frye RE (November 2021). "Cerebral folate deficiency, folate receptor alpha autoantibodies and leucovorin (folinic acid) treatment in autism spectrum disorders: A systematic review and meta-analysis". J Pers Med. 11 (11): 1141. doi:10.3390/jpm11111141. PMC 8622150. PMID 34834493.
Gao S, Khalid A, Amini-Salehi E, et al. (June 2024). "Folate supplementation as a beneficial add-on treatment in relieving depressive symptoms: A meta-analysis of meta-analyses". Food Science & Nutrition. 12 (6): 3806–3818. doi:10.1002/fsn3.4073. PMC 11167194. PMID 38873435.
Gilbody S, Lightfoot T, Sheldon T (July 2007). "Is low folate a risk factor for depression? A meta-analysis and exploration of heterogeneity". Journal of Epidemiology and Community Health. 61 (7): 631–7. doi:10.1136/jech.2006.050385. PMC 2465760. PMID 17568057.
Liwinski T, Lang UE (September 2023). "Folate and Its Significance in Depressive Disorders and Suicidality: A Comprehensive Narrative Review". Nutrients. 15 (17): 3859. doi:10.3390/nu15173859. PMC 10490031. PMID 37686891.
Vreugdenhil G, Wognum AW, van Eijk HG, et al. (February 1990). "Anaemia in rheumatoid arthritis: the role of iron, vitamin B12, and folic acid deficiency, and erythropoietin responsiveness". Annals of the Rheumatic Diseases. 49 (2): 93–98. doi:10.1136/ard.49.2.93. PMC 1003985. PMID 2317122.
Alpers DH (July 2016). "Absorption and blood/cellular transport of folate and cobalamin: Pharmacokinetic and physiological considerations". Biochimie. 126: 52–6. doi:10.1016/j.biochi.2015.11.006. PMC 4867132. PMID 26586110.
Said HM (August 2011). "Intestinal absorption of water-soluble vitamins in health and disease". Biochem J. 437 (3): 357–72. doi:10.1042/BJ20110326. PMC 4049159. PMID 21749321.
Visentin M, Diop-Bove N, Zhao R, et al. (2014). "The intestinal absorption of folates". Annu Rev Physiol. 76: 251–74. doi:10.1146/annurev-physiol-020911-153251. PMC 3982215. PMID 24512081.
Bailey SW, Ayling JE (September 2009). "The extremely slow and variable activity of dihydrofolate reductase in human liver and its implications for high folic acid intake". Proceedings of the National Academy of Sciences of the United States of America. 106 (36): 15424–9. Bibcode:2009PNAS..10615424B. doi:10.1073/pnas.0902072106. PMC 2730961. PMID 19706381.
Rossi M, Amaretti A, Raimondi S (January 2011). "Folate production by probiotic bacteria". Nutrients. 3 (1): 118–34. doi:10.3390/nu3010118. PMC 3257725. PMID 22254078.
Ducker GS, Rabinowitz JD (January 2017). "One-Carbon Metabolism in Health and Disease". Cell Metabolism. 25 (1): 27–42. doi:10.1016/j.cmet.2016.08.009. PMC 5353360. PMID 27641100.
Rajagopalan PT, Zhang Z, McCourt L, et al. (October 2002). "Interaction of dihydrofolate reductase with methotrexate: Ensemble and single-molecule kinetics". Proceedings of the National Academy of Sciences of the United States of America. 99 (21): 13481–6. Bibcode:2002PNAS...9913481R. doi:10.1073/pnas.172501499. PMC 129699. PMID 12359872.
Veroniki AA, Rios P, Cogo E, et al. (July 2017). "Comparative safety of antiepileptic drugs for neurological development in children exposed during pregnancy and breast feeding: a systematic review and network meta-analysis". BMJ Open. 7 (7) e017248. doi:10.1136/bmjopen-2017-017248. PMC 5642793. PMID 28729328.
Sloan JL, Johnston JJ, Manoli I, et al. (August 2011). "Exome sequencing identifies ACSF3 as a cause of combined malonic and methylmalonic aciduria". Nat Genet. 43 (9): 883–86. doi:10.1038/ng.908. PMC 3163731. PMID 21841779.
de Sain-van der Velden MG, van der Ham M, Jans JJ, et al. (February 2016). "A New Approach for Fast Metabolic Diagnostics in CMAMMA". JIMD Rep. JIMD Reports. 30: 15–22. doi:10.1007/8904_2016_531. ISBN 978-3-662-53680-3. PMC 5110436. PMID 26915364.{{cite journal}}: CS1 maint: periodical has ISBN (link)
Centers for Disease Control Prevention (CDC) (16 January 2015). "Updated Estimates of Neural Tube Defects Prevented by Mandatory Folic Acid Fortification — United States, 1995–2011". MMWR. Morbidity and Mortality Weekly Report. 64 (1): 1–5. PMC 4584791. PMID 25590678. Archived from the original on 31 July 2020. Retrieved 15 September 2019.

ods.od.nih.gov

"Folate – Fact Sheet for Health Professionals". Office of Dietary Supplements, US National Institutes of Health. 30 November 2022. Retrieved 7 September 2025.

pubchem.ncbi.nlm.nih.gov

"Folic Acid". The PubChem Project. Archived from the original on 7 April 2014.

livertox.nlm.nih.gov

"Folic Acid". NIH LiverTox. 2 June 2017. Archived from the original on 7 January 2017.

dsld.nlm.nih.gov

"Daily Value Reference of the Dietary Supplement Label Database (DSLD)". Dietary Supplement Label Database (DSLD). Archived from the original on 7 April 2020. Retrieved 16 May 2020.

nutrition.org.uk (Global: low place; English: low place)

"Nutrition Requirements" (PDF). British Nutrition Foundation. Archived from the original (PDF) on 11 February 2019. Retrieved 8 July 2018.

nzherald.co.nz (Global: 390^th place; English: 205^th place)

NZPA (8 July 2009). "Bakers, Govt battle over folic acid". The New Zealand Herald. Archived from the original on 14 February 2012. Retrieved 13 July 2009.

oregonstate.edu (Global: 2,217^th place; English: 1,359^th place)

lpi.oregonstate.edu

"Folate". Micronutrient Information Center, Linus Pauling Institute, Oregon State University. 2023. Retrieved 7 September 2025. Folate is a water-soluble B-vitamin, which is also known as vitamin B9 or folacin

qmul.ac.uk (Global: 2,246^th place; English: 3,626^th place)

Moss GP, ed. (1986). "Nomenclature and symbols for folic acid and related compounds (Recommendations 1986)". Queen Mary University of London. Archived from the original on 30 November 2020. Retrieved 15 December 2019. Folate and folic acid are the preferred synonyms for pteroylglutamate and pteroylglutamic acid, respectively.

scoop.co.nz (Global: 3,316^th place; English: 1,777^th place)

"Work Starts on Wilkinson's Mass Medication Plan" (Press release). Association Of Bakers. 8 July 2009. Archived from the original on 10 July 2009. Retrieved 13 July 2009.
"NZ should push pause on folic fortification" (Press release). Green Party. 9 July 2009. Archived from the original on 10 July 2009. Retrieved 13 July 2009.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Welch AD (1983). "Folic acid: discovery and the exciting first decade". Perspect. Biol. Med. 27 (1): 64–75. doi:10.1353/pbm.1983.0006. PMID 6359053. S2CID 31993927.
Bibbins-Domingo K, Grossman DC, Curry SJ, et al. (January 2017). "Folic Acid Supplementation for the Prevention of Neural Tube Defects: US Preventive Services Task Force Recommendation Statement". JAMA. 317 (2): 183–189. doi:10.1001/jama.2016.19438. PMID 28097362. S2CID 205077749.
Lan X, Field MS, Stover PJ (November 2018). "Cell cycle regulation of folate-mediated one-carbon metabolism". Wiley Interdiscip Rev Syst Biol Med. 10 (6) e1426. doi:10.1002/wsbm.1426. PMC 11875019. PMID 29889360. S2CID 47014043.
Hoffbrand AV, Weir DG (June 2001). "The history of folic acid". British Journal of Haematology. 113 (3): 579–89. doi:10.1046/j.1365-2141.2001.02822.x. PMID 11380441. S2CID 22925228.
Berry RJ, Bailey L, Mulinare J, et al. (2010). "Fortification of flour with folic acid". Food Nutr Bull. 31 (1 Suppl): S22–S35. doi:10.1177/15648265100311S103. PMID 20629350. S2CID 36706350.
Bazzano LA (August 2011). "No effect of folic acid supplementation on cardiovascular events, cancer or mortality after 5 years in people at increased cardiovascular risk, although homocysteine levels are reduced". Evidence-Based Medicine. 16 (4): 117–8. doi:10.1136/ebm1204. PMID 21402567. S2CID 20470125.
Tian T, Yang KQ, Cui JG, et al. (October 2017). "Folic Acid Supplementation for Stroke Prevention in Patients With Cardiovascular Disease". Am. J. Med. Sci. 354 (4): 379–387. doi:10.1016/j.amjms.2017.05.020. PMID 29078842. S2CID 3500861.
Zhao M, Wu G, Li Y, et al. (May 2017). "Meta-analysis of folic acid efficacy trials in stroke prevention: Insight into effect modifiers". Neurology. 88 (19): 1830–1838. doi:10.1212/WNL.0000000000003909. PMID 28404799. S2CID 325155.
Jägerstad M (October 2012). "Folic acid fortification prevents neural tube defects and may also reduce cancer risks". Acta Paediatrica. 101 (10): 1007–1012. doi:10.1111/j.1651-2227.2012.02781.x. PMID 22783992. S2CID 3458384.
Tio M, Andrici J, Cox MR, et al. (September 2014). "Folate intake and the risk of prostate cancer: a systematic review and meta-analysis". Prostate Cancer Prostatic Dis. 17 (3): 213–9. doi:10.1038/pcan.2014.16. PMID 24819234. S2CID 27184844.
Qin X, Cui Y, Shen L, et al. (September 2013). "Folic acid supplementation and cancer risk: a meta-analysis of randomized controlled trials". Int. J. Cancer. 133 (5): 1033–41. doi:10.1002/ijc.28038. PMID 23338728. S2CID 19830376.
Coppen A, Bolander-Gouaille C (January 2005). "Treatment of depression: time to consider folic acid and vitamin B12". Journal of Psychopharmacology. 19 (1): 59–65. doi:10.1177/0269881105048899. PMID 15671130. S2CID 4828454.
Allen RH, Stabler SP, Savage DG, et al. (June 1990). "Diagnosis of cobalamin deficiency I: usefulness of serum methylmalonic acid and total homocysteine concentrations". American Journal of Hematology. 34 (2): 90–98. doi:10.1002/ajh.2830340204. PMID 2339683. S2CID 23092095.
Reynolds E (November 2006). "Vitamin B12, folic acid, and the nervous system". The Lancet. Neurology. 5 (11): 949–960. doi:10.1016/S1474-4422(06)70598-1. PMID 17052662. S2CID 2165819.
Benkovic SJ, Hammes-Schiffer S (August 2003). "A perspective on enzyme catalysis". Science. 301 (5637): 1196–202. Bibcode:2003Sci...301.1196B. doi:10.1126/science.1085515. PMID 12947189. S2CID 7899320.
Tanoshima M, Kobayashi T, Tanoshima R, et al. (October 2015). "Risks of congenital malformations in offspring exposed to valproic acid in utero: A systematic review and cumulative meta-analysis". Clin. Pharmacol. Ther. 98 (4): 417–41. doi:10.1002/cpt.158. PMID 26044279. S2CID 205715968.
Hamid A, Wani NA, Kaur J (April 2009). "New perspectives on folate transport in relation to alcoholism-induced folate malabsorption–association with epigenome stability and cancer development". The FEBS Journal. 276 (8): 2175–91. doi:10.1111/j.1742-4658.2009.06959.x. PMID 19292860. S2CID 8591709.
Lohner S, Fekete K, Berti C, et al. (December 2012). "Effect of folate supplementation on folate status and health outcomes in infants, children and adolescents: a systematic review". International Journal of Food Sciences and Nutrition. 63 (8): 1014–20. doi:10.3109/09637486.2012.683779. PMID 22574624. S2CID 26868696.
Dietrich M, Brown CJ, Block G (August 2005). "The effect of folate fortification of cereal-grain products on blood folate status, dietary folate intake, and dietary folate sources among adult non-supplement users in the United States". Journal of the American College of Nutrition. 24 (4): 266–74. doi:10.1080/07315724.2005.10719474. PMID 16093404. S2CID 24699315.

tufts.edu (Global: 192^nd place; English: 165^th place)

nutritionletter.tufts.edu

"Folic Acid Overload?". Tufts Health & Nutrition Letter. 10 September 2019. Retrieved 18 October 2021.

usda.gov (Global: 512^th place; English: 322^nd place)

ndb.nal.usda.gov

"Folate content in micrograms per 100 g, All Foods; USDA Food Composition Databases". United States Department of Agriculture, Agricultural Research Service. 7 May 2019. Release 28. Retrieved 27 May 2019.^{[dead link]}

ars.usda.gov

"TABLE 1: Nutrient Intakes from Food and Beverages" (PDF). What We Eat In America, NHANES 2012–2014 (2016). Archived (PDF) from the original on 24 February 2017. Retrieved 12 October 2018.

web.archive.org (Global: 1^st place; English: 1^st place)

"Folic Acid". The PubChem Project. Archived from the original on 7 April 2014.
"Folic Acid". ChemSrc. Archived from the original on 28 August 2021. Retrieved 12 April 2018.
Pommerville JC (2009). Alcamo's Fundamentals of Microbiology: Body Systems. Jones & Bartlett Publishers. p. 511. ISBN 978-0-7637-8712-7. Archived from the original on 8 September 2017.
Li Y, Huang T, Zheng Y, et al. (August 2016). "Folic Acid Supplementation and the Risk of Cardiovascular Diseases: A Meta-Analysis of Randomized Controlled Trials" (PDF). Journal of the American Heart Association. 5 (8) e003768. doi:10.1161/JAHA.116.003768. PMC 5015297. PMID 27528407. Archived (PDF) from the original on 27 April 2021. Retrieved 4 November 2018.
Marino BS, Fine KS (2009). Blueprints Pediatrics. Lippincott Williams & Wilkins. p. 131. ISBN 978-0-7817-8251-7. Archived from the original on 8 September 2017.
"Top 300 of 2023". ClinCalc. Archived from the original on 12 August 2025. Retrieved 12 August 2025.
Chambers Concise Dictionary. Allied Publishers. 2004. p. 451. ISBN 978-81-86062-36-4. Archived from the original on 8 September 2017.
"Folic Acid". NIH LiverTox. 2 June 2017. Archived from the original on 7 January 2017.
"FAQ's Folic Acid". CDC. 16 December 2016. Archived from the original on 10 July 2017. Retrieved 7 July 2017.
Moss GP, ed. (1986). "Nomenclature and symbols for folic acid and related compounds (Recommendations 1986)". Queen Mary University of London. Archived from the original on 30 November 2020. Retrieved 15 December 2019. Folate and folic acid are the preferred synonyms for pteroylglutamate and pteroylglutamic acid, respectively.
"Folic Acid". MedlinePlus. U.S. National Library of Medicine, National Institutes of Health, U.S. Department of Health and Human Services. Archived from the original on 31 July 2020. Retrieved 15 December 2019.
"Folic acid". Chemical Entities of Biological Interest (ChEBI). European Bioinformatics Institute. Archived from the original on 31 July 2020. Retrieved 15 December 2019.
Combs JR GF, McClung JP (2016). "Chapter 17: Folate". The Vitamins: Fundamental Aspects in Nutrition and Health (Fifth ed.). Academic Press. pp. 400–401. ISBN 978-0-12-802983-1. Archived from the original on 12 January 2023. Retrieved 15 December 2019. The term folate is the generic descriptor for folic acid (pteroylmonoglutamic acid or pteroylglutamic acid) and related compounds exhibiting the biological activity of folic acid.
"Folic acid in diet". MedlinePlus. U.S. National Library of Medicine, National Institutes of Health, U.S. Department of Health and Human Services. Archived from the original on 31 July 2020. Retrieved 15 December 2019.
"Folic Acid". CDC. 19 April 2021. Archived from the original on 15 July 2023. Retrieved 20 December 2021.
"Number of Nutrients In Fortification Standards". Global Fortification Data Exchange. Archived from the original on 28 September 2025. Retrieved 28 September 2025.
Weinstein SJ, Hartman TJ, Stolzenberg-Solomon R, et al. (November 2003). "Null association between prostate cancer and serum folate, vitamin B(6), vitamin B(12), and homocysteine". Cancer Epidemiology, Biomarkers & Prevention. 12 (11 Pt 1): 1271–1272. PMID 14652294. Archived from the original on 22 February 2017.
Chustecka Z (2009). "Folic-acid fortification of flour and increased rates of colon cancer". Medscape. Archived from the original on 25 November 2010. Retrieved 9 November 2009.
Pasricha S, Shet A, Sachdev HP, et al. (October 2009). "Risks of routine iron and folic acid supplementation for young children" (PDF). Indian Pediatrics. 46 (10): 857–66. PMID 19887691. Archived (PDF) from the original on 12 June 2010.
"EC 1.5.1.3". Us.expasy.org. Archived from the original on 13 June 2011. Retrieved 9 September 2012.
Boothe DM. "Sulfonamides and Sulfonamide Combinations". Merck Veterinary Manual. Kenilworth, NJ: Merck & Co., Inc. Archived from the original on 7 August 2020. Retrieved 10 October 2019.
Institute of Medicine (1998). "Folate". Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington, DC: The National Academies Press. pp. 196–305. ISBN 978-0-309-06554-2. Archived from the original on 25 September 2019. Retrieved 25 September 2019.
"Overview on Dietary Reference Values for the EU population as derived by the EFSA Panel on Dietetic Products, Nutrition and Allergies" (PDF). 2017. Archived (PDF) from the original on 28 August 2017.
"Nutrition Requirements" (PDF). British Nutrition Foundation. Archived from the original (PDF) on 11 February 2019. Retrieved 8 July 2018.
"Tolerable Upper Intake Levels For Vitamins And Minerals" (PDF). European Food Safety Authority. 2006. Archived (PDF) from the original on 19 September 2017. Retrieved 16 May 2016.
Shibata K, Fukuwatari T, Imai E, et al. (2013). "Dietary Reference Intakes for Japanese 2010: Water-Soluble Vitamins". Journal of Nutritional Science and Vitaminology. 2013 (59): S67–S82. doi:10.3177/jnsv.59.S67. Archived from the original on 14 September 2019. Retrieved 27 September 2018.
"Federal Register May 27, 2016 Food Labeling: Revision of the Nutrition and Supplement Facts Labels. FR page 33982" (PDF). Archived (PDF) from the original on 7 October 2021. Retrieved 30 August 2017.
"Daily Value Reference of the Dietary Supplement Label Database (DSLD)". Dietary Supplement Label Database (DSLD). Archived from the original on 7 April 2020. Retrieved 16 May 2020.
"Changes to the Nutrition Facts Label". U.S. Food and Drug Administration (FDA). 27 May 2016. Archived from the original on 6 May 2018. Retrieved 16 May 2020. This article incorporates text from this source, which is in the public domain.
"Industry Resources on the Changes to the Nutrition Facts Label". U.S. Food and Drug Administration (FDA). 21 December 2018. Archived from the original on 25 December 2020. Retrieved 16 May 2020. This article incorporates text from this source, which is in the public domain.
"Regulation (EU) No 1169/2011 of the European Parliament and of the Council". Official Journal of the European Union. 22 (11): 18–63. 2011. Archived from the original on 26 July 2017. Retrieved 26 September 2018.
"Folate deficiency: MedlinePlus Medical Encyclopedia". nlm.nih.gov. Archived from the original on 17 November 2015. Retrieved 16 November 2015.
"Folate and Your Health – HealthLinkBC File #68g". Healthlink British Columbia. Archived from the original on 9 July 2012. Retrieved 9 September 2012.
"Why fortify?". Food Fortification Initiative. 2017. Archived from the original on 4 April 2017. Retrieved 30 April 2019.
"Effects of Cooking on Vitamins (Table)". Beyond Vegetarianism. Archived from the original on 16 October 2012. Retrieved 30 April 2019.
"Folic Acid Fortification". Food Standards Australia New Zealand. 2016. Archived from the original on 26 September 2018. Retrieved 25 September 2018.
"Work Starts on Wilkinson's Mass Medication Plan" (Press release). Association Of Bakers. 8 July 2009. Archived from the original on 10 July 2009. Retrieved 13 July 2009.
"NZ should push pause on folic fortification" (Press release). Green Party. 9 July 2009. Archived from the original on 10 July 2009. Retrieved 13 July 2009.
NZPA (8 July 2009). "Bakers, Govt battle over folic acid". The New Zealand Herald. Archived from the original on 14 February 2012. Retrieved 13 July 2009.
"Welcome to the Health Canada Web site". Hc-sc.gc.ca. Archived from the original on 10 September 2012. Retrieved 9 September 2012.
FSA (17 May 2007). "Board recommends mandatory fortification". Archived from the original on 24 June 2007. Retrieved 18 May 2007.
"Backing for folic acid in bread". BBC News. 17 May 2007. Archived from the original on 18 June 2007. Retrieved 18 May 2007.
"Why fortify?". Food Fortification Initiative. 2017. Archived from the original on 4 April 2017. Retrieved 4 April 2017.
"Food and Drug Administration. Food standards: amendment of standards of identity for enriched grain products to require addition of folic acid. Final Rule. 21 CFR Parts 136, 137, and 139" (PDF). Federal Register. March 1996. pp. 8781–89. Archived (PDF) from the original on 6 October 2019. Retrieved 6 October 2019.
"FDA muffed chance to reduce birth defects". Boston Globe. 6 January 2004. Archived from the original on 13 March 2007.
"TABLE 1: Nutrient Intakes from Food and Beverages" (PDF). What We Eat In America, NHANES 2012–2014 (2016). Archived (PDF) from the original on 24 February 2017. Retrieved 12 October 2018.
Centers for Disease Control Prevention (CDC) (16 January 2015). "Updated Estimates of Neural Tube Defects Prevented by Mandatory Folic Acid Fortification — United States, 1995–2011". MMWR. Morbidity and Mortality Weekly Report. 64 (1): 1–5. PMC 4584791. PMID 25590678. Archived from the original on 31 July 2020. Retrieved 15 September 2019.
"Birth Defects COUNT | Folic Acid | NCBDDD | CDC". www.cdc.gov. Archived from the original on 13 November 2015. Retrieved 16 November 2015.
Forney B (2017). "Folic Acid for Veterinary Use". Wedgewood Pharmacy. Archived from the original on 21 September 2019. Retrieved 21 September 2019.

wedgewoodpetrx.com (Global: low place; English: low place)

Forney B (2017). "Folic Acid for Veterinary Use". Wedgewood Pharmacy. Archived from the original on 21 September 2019. Retrieved 21 September 2019.

Folate (English Wikipedia)

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