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Facts About Vitamin A and Carotenoids - http://ods.od.nih.gov/factsheets/cc/vita.html
Includes information about the fat soluble vitamin including suggested RDA intake, role in human body functions, food sources, and deficiency signs. |
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Vitamin A - http://lpi.oregonstate.edu/infocenter/vitamins/vitaminA/
Discussion of function, deficiency, disease prevention, disease treatment, food sources, supplements, new research, and recommendations from the Linus Pauling Institute. |
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Vitamin A and Your Nutrition - http://www.anyvitamins.com/vitamin-a-info.htm
Includes body functions, suggested intake, and food sources high in the vitamin. |
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Vitamin A - http://www.hoptechno.com/book29a.htm
Content that explains correct intake, RDA values, food sources, and necessity in diet. |
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Vitamin A or Retinol - http://www.dietobio.com/vegetarisme/en/vit_a.html
Discussion of the fat soluble vitamin including proper dosage, necessity in diet, and graph indicating good food sources. |