What is Vitamin A?
Vitamin A is not one vitamin but consists of a group of compounds with vitamin A activity.
1 Vitamin A is found in many animal-sourced foods such as eggs and meat. Many plant foods, such as fruits and vegetables, have colorful pigments called provitamin A carotenoids which can convert to vitamin A in the body.
1,2 The most commonly known provitamin A carotenoid is beta-carotene.
Benefits of Vitamin A
Vitamin A is important for reproduction, growth and development, health of cells that line all surfaces of the body, gene expression, immune system function, eye health, and vision.
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Foods with Provitamin A Carotenoids
Oranges and
100% orange juice are one of the main contributors of a provitamin A carotenoid called beta-cryptoxanthin in the U.S. diet.
3 An abundance of provitamin A carotenoids can be found in sweet potatoes, pumpkin and cantaloupe, making these foods reddish orange.
An 8-ounce glass of
100% orange juice supplies 2% of the recommended Daily Value for vitamin A.
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Vitamin A Deficiency
Inadequate intake of vitamin A can lead to vision disturbances, blindness, a higher risk for illness, and impairment of iron transport within the body.
1 Vitamin A deficiency is rare in the U.S. but occurs in many developing countries.
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