VITAMIN A comes in two forms: retinol and beta carotene. Retinol is the animal source of vitamin A, while beta carotene is derived from a variety of yellow and orange fruits and vegetables as well as leafy greens. Beta carotene is converted into vitamin A in the intestine and also in the liver.

Vitamin A Benefits

Vitamin A has many important functions that include good eyesight, growth and tissue healing and a healthy skin. It also plays an important role as an antioxidant, lowers cancer risk and regulates genetic processes. Studies have shown that around 25 percent of Americans get less than half the recommended daily allowance in their diets for vitamin A. This is most noticeable in people who do not eat many fruits and vegetables or those who eat highly processed foods which are lacking in vitamins.

Read more at Suite101: Dietary Supplement Fact Sheet: Vitamin A Benefits | Suite101 http://suite101.com/article/dietary-supplement-fact-sheet-vitamin-a-benefits-a244246#ixzz2IiiJJoxK
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