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.
http://ods.od.nih.gov/factsheets/cc/vita.html
Ohio State University Extension Fact Sheet: Vitamin A Provides basic functions, food sources, requirements, and graph detailing foods high in the vitamin with serving size.
http://ohioline.osu.edu/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.
http://lpi.oregonstate.edu/infocenter/vitamins/vitaminA/
Vitamin A Content that explains correct intake, RDA values, food sources, and necessity in diet.
http://www.hoptechno.com/book29a.htm
Vitamin A and Your Nutrition Includes body functions, suggested intake, and food sources high in the vitamin.
http://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.
http://www.dietobio.com/vegetarisme/en/vit_a.html
Vitamin A Supplementation Vitamin A supplementation advices and guidelines presented by World Health Organization.
http://www.who.int/vaccines/en/vitamina.shtml
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