Analysis of information sources in references of the Wikipedia article "Vitamin D" in English language version.
{{cite journal}}: CS1 maint: overridden setting (link)108 references
Vitamin D3 is produced commercially by extracting 7-dehydrocholesterol from wool fat, followed by UVB irradiation and purification [...] [Vitamin D2] is commercially made by irradiating and then purifying the ergosterol extracted from yeast
The authors conclude that there is therefore little reason to use vitamin D supplements to maintain or improve musculoskeletal health, except for the prevention of rare conditions such as rickets and osteomalacia in high-risk groups, which can be caused by vitamin D deficiency after long lack of exposure to sunshine.
{{cite journal}}: CS1 maint: overridden setting (link)108 references
Vitamin D3 is produced commercially by extracting 7-dehydrocholesterol from wool fat, followed by UVB irradiation and purification [...] [Vitamin D2] is commercially made by irradiating and then purifying the ergosterol extracted from yeast
{{cite journal}}: CS1 maint: overridden setting (link)Vitamin D3 is produced commercially by extracting 7-dehydrocholesterol from wool fat, followed by UVB irradiation and purification [...] [Vitamin D2] is commercially made by irradiating and then purifying the ergosterol extracted from yeast
108 references
The authors conclude that there is therefore little reason to use vitamin D supplements to maintain or improve musculoskeletal health, except for the prevention of rare conditions such as rickets and osteomalacia in high-risk groups, which can be caused by vitamin D deficiency after long lack of exposure to sunshine.
Vitamin D3 is produced commercially by extracting 7-dehydrocholesterol from wool fat, followed by UVB irradiation and purification [...] [Vitamin D2] is commercially made by irradiating and then purifying the ergosterol extracted from yeast