Answers basic questions about the antioxidant vitamin A, such as, what foods contain it, and the amount needed to provide the recommended dietary allowance.
Review Date: January 29, 2013
NIH Office of Dietary Supplements - ODS
While vitamin A is essential for good health, it can be toxic in high doses. Learn more about it.
Educational Institution--Follow the Resource URL for More Information
This fact sheet explains where we get vitamin A, how much of this important vitamin we need, how it can build up in the body to excessive levels, and how you can assess your own vitamin A intake.
NIH National Institute of Arthritis and Musculoskeletal and Skin Diseases - NIAMS
