- Facts About Vitamin A and Carotenoids - Extensive information about the fat soluble vitamin including suggested RDA intake, role in human body functions, food sources, and deficiency signs.
www.cc.nih.gov/ccc/supplements/vita.html
- Food Data Chart - Vitamin A - Information on the vitamin such as functions, RDA requirements, and graph of foods high in retinol.
www.healthyeating.org/books/foodfacts/html/data/data3a.html
- Vitamin A - Content that explains correct intake, RDA values, food sources, and necessity in diet.
www.hoptechno.com/book29a.htm
- Vitamin A - Provides basic functions, food sources, requirements, and graph detailing foods high in the vitamin with serving size.
www.ag.ohio-state.edu/~ohioline/hyg-fact/5000/5551.html
- Vitamin A - Discussion of function, deficiency, disease prevention, disease treatment, food sources, supplements, new research, and recommendations from the Linus Pauling Institute.
www.orst.edu/dept/lpi/infocenter/vitamins/vitaminA/index.html
- Vitamin A and Your Nutrition - Includes body functions, suggested intake, and food sources high in the vitamin.
www.anyvitamins.com/vitamin-a-info.htm
- Vitamin A or Retinol - Discussion of the fat soluble vitamin including proper dosage, necessity in diet, and graph indicating good food sources.
www.dietobio.com/vegetarisme/en/vit_a.html
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