Overview on Dietary Reference Values for the EU population as derived by the EFSA Panel on Dietetic Products, Nutrition and Allergies" (PDF). European Food Safety Authority (EFSA). 2017. a b "Vitamin A". The American Society of Health-System Pharmacists. Archived from the original on 30 December 2016 . Retrieved 8 December 2016. Shabtai Y, Fainsod A (April 2018). "Competition between ethanol clearance and retinoic acid biosynthesis in the induction of fetal alcohol syndrome". Biochemistry and Cell Biology = Biochimie et Biologie Cellulaire. 96 (2): 148–160. doi: 10.1139/bcb-2017-0132. PMID 28982012.

cup (200 g) contains 1,920 mcg retinol activity equivalents (RAE), or 213% of the DV ( 26). 2. Butternut squash, baked Bjelakovic G, Nikolova D, Gluud LL, Simonetti RG, Gluud C (2007). "Mortality in randomized trials of antioxidant supplements for primary and secondary prevention: systematic review and meta-analysis". JAMA. 297 (8): 842–857. doi: 10.1001/jama.297.8.842. PMID 17327526. Institute of Medicine (1998). "Niacin". Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington, DC: The National Academies Press. pp.123–149. ISBN 978-0-309-06554-2 . Retrieved 29 August 2018. However, as mentioned above, some people have a genetic mutation that makes the conversion of provitamin A into vitamin A much less efficient ( 24, 25).Vitamin A Supplementation: A Decade of Progress (PDF). New York: UNICEF. 2007. p.3. ISBN 978-92-806-4150-9. Archived from the original (PDF) on 31 October 2020 . Retrieved 23 January 2011. a b c d "Total number of nutrients in food vehicles, according to a country's fortification standard". Global Fortification Data Exchange . Retrieved 7 January 2022. a b Moyer VA (2014). "Vitamin, mineral, and multivitamin supplements for the primary prevention of cardiovascular disease and cancer: U.S. Preventive services Task Force recommendation statement". Annals of Internal Medicine. 160 (8): 558–564. doi: 10.7326/M14-0198. PMID 24566474. Rohde LE, de Assis MC, Rabelo ER (January 2007). "Dietary vitamin K intake and anticoagulation in elderly patients". Current Opinion in Clinical Nutrition and Metabolic Care. 10 (1): 120–124. doi: 10.1097/MCO.0b013e328011c46c. PMID 17143047. S2CID 20484616.

a b Carpenter K (22 June 2004). "The Nobel Prize and the Discovery of Vitamins". Nobelprize.org . Retrieved 5 October 2009.

How much vitamin E do I need?

RDA US Recommended Dietary Allowances; higher for adults than for children, and may be even higher for women who are pregnant or lactating.