Vitamin A - Wikipedia, the free encyclopedia
Vitamin A is an essential human nutrient. Vitamin A actually refers to a family of similarly shaped molecules: the retinoids. Its important part is the retinyl group, which can be ...
en.wikipedia.org
Vitamin - Wikipedia, the free encyclopedia
A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be synthesized in sufficient quantities by an ...
en.wikipedia.org
MedlinePlus Medical Encyclopedia: Vitamin A
Alternative Names Return to top. Retinol; Carotenoids Definition Return to top. Vitamin A is a fat-soluble vitamin. Function Return to top
www.nlm.nih.gov
vitamin A - Definitions from Dictionary.com
noun . a yellow, fat-soluble, solid terpene alcohol, C 20 H 30 O, obtained from carotene and occurring in green and yellow vegetables, egg yolk, etc.: essential to growth, the ...
dictionary.reference.com
Dietary Supplement Fact Sheet: Vitamin A and Carotenoids
Table of Contents. Vitamin A: What is it? What foods provide vitamin A? What are recommended intakes of vitamin A? When can vitamin A deficiency occur?
dietary-supplements.info.nih.gov
Vitamin A Info - Benefits, Sources, Deficiency, Overdose
Find Vitamin A information on this page. Find out how much Vitamin A you need, problems caused by a deficiency (getting too little) or an overdose (getting too much), what foods ...
www.vitamindeals.info
Vitamin A & Carotenes - Ask the Dietitian - by Joanne Larsen MS RD LD
Got questions about Vitamin A or Beta Carotene? Ask Joanne Larsen, Registered Dietitian and nutrition counselor.
www.dietitian.com
Vitamin A Supplementation
ACKNOWLEDGEMENTS This report was prepared by Nita Dalmiya and Amanda Palmer and produced by UNICEF's Division of Communication. The following people provided valuable contributions ...
www.unicef.org
Vitamin A - HealthLibrary
Vitamin A, also called retinol, is a fat-soluble vitamin. Our bodies store fat-soluble vitamins in the liver and fatty tissues. The active form of vitamin A is found in animal ...
healthlibrary.epnet.com
Vitamin A and Carotenoids
Vitamin A is important for vision, bone growth, and regulation of the immune system, but there is conflicting evidence on the benefits of carotenoid supplements in cancer ...
healthlink.mcw.edu
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