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Vitamin A - Wikipedia, the free encyclopedia
Vitamin A (or Vitamin A Retinol, retinal, and four carotenoids including beta carotene) is a vitamin that is needed by the retina of the eye in the form of ...
en.wikipedia.org/wiki/Vitamin_A
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Vitamin A — Health Professional Fact Sheet
Introduction. Vitamin A is the name of a group of fat-soluble retinoids, including retinol, retinal, retinoic acid, and retinyl esters . Vitamin A is ...
ods.od.nih.gov/factsheets/vitamina
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Vitamin A: MedlinePlus Medical Encyclopedia
Vitamin A is a fat-soluble vitamin. Function Vitamin A helps form and maintain healthy skin, teeth, skeletal and soft tissue, mucus membranes, and skin. It ...
www.nlm.nih.gov/medlineplus/ency/article/002400.htm
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Vitamin A - Resources and Frequently Asked Questions - Health ...
Home > Resources > Vitamin A - Resources and Frequently Asked Questions. Vitamin A - Resources and Frequently Asked Questions. Vitamin A: Frequently Asked Questions ...
hetv.org/resources/vitamin-a/faq.htm
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Vitamin - Wikipedia, the free encyclopedia
A vitamin is an organic compound required as a vital nutrient in tiny amounts by an organism. In other words, an organic chemical compound (or related set of ...
en.wikipedia.org/wiki/Vitamin
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