„Omega-3 fatty acids, fish oil, alpha-linolenic acid: MedlinePlus Supplements”. Архивирано из оригинала 8. 2. 2006. г. Приступљено 22. 1. 2010. „Fish oil supplements may lower blood sugar levels a small amount. Caution is advised when using herbs or supplements that may also lower blood sugar. Blood glucose levels may require monitoring, and doses may need adjustment.”
„Vitamin B12”. George Mateljan Foundation. Архивирано из оригинала 19. 4. 2012. г. Приступљено 11. 4. 2012.
„Omega-3 fatty acids, fish oil, alpha-linolenic acid: MedlinePlus Supplements”. Архивирано из оригинала 8. 2. 2006. г. Приступљено 22. 1. 2010. „Fish oil supplements may lower blood sugar levels a small amount. Caution is advised when using herbs or supplements that may also lower blood sugar. Blood glucose levels may require monitoring, and doses may need adjustment.”