USDA. ARS. Food Surveys Research Group.
Vitamin A and E values for 4,311 foods. This database was developed for use with NHANES 1999-2000.
Due to a lapse in federal funding, this USDA website will not be actively updated.
Once funding has been reestablished, online operations will continue.
USDA. ARS. Food Surveys Research Group.
Vitamin A and E values for 4,311 foods. This database was developed for use with NHANES 1999-2000.
DHHS. NIH. Office of Dietary Supplements.
OSU. LPI. Micronutrient Information Center.
OSU. LPI. Micronutrient Information Center.
DHHS. NIH. National Library of Medicine.
Read about the function, sources, and intake recommendations for Vitamin A.
UMMC. Center for Integrative Medicine.
World Health Organization.
Provides vitamin A deficiency data by country based on xerophthalmia and/or serum or plasma retinol concentration.