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beta carotene

[bay-tuh KAIR-uh-teen] a form of vitamin A that is found mainly in yellow and orange vegetables and fruits. It functions as an antioxidant, but high doses of beta carotene supplements in smokers may increase lung cancer risk. See also antioxidants.

Vitamin A, Retinoids, and Provitamin A Carotenoids

... Scientific/medical name(s): Retinol, retinoic acid, retinyl palmitate, retinoids,
Vitamin A, beta carotene, alpha carotene, beta-cryptoxanthin. ...

http://www.cancer.org/treatment/treatmentsandsideeffects/complementaryandalternativemedicine/herbsvitaminsandminerals/vitamin-a-and-beta-carotene

Will a vitamin a day keep cancer away?

... Other nutrients in plants that might work together with beta carotene to
prevent cancer were not included in the supplements. ...

http://www.cancer.org/cancer/news/expertvoices/post/2011/08/16/will-a-vitamin-a-day-keep-cancer-away.aspx

Antioxidant Supplements Fuel Lung Cancer in Mice

... Some of the better-known antioxidants include beta carotene, ascorbic acid
(vitamin C), and vitamin E. Most studies involving antioxidants have ...

http://www.cancer.org/cancer/news/news/antioxidant-supplements-fuel-lung-cancer-in-mice

Orthomolecular Medicine

... Examples of antioxidants are vitamin C, vitamin E, and beta carotene (a
precursor of vitamin A). Certain trace minerals such as selenium, copper ...

http://www.cancer.org/treatment/treatmentsandsideeffects/complementaryandalternativemedicine/herbsvitaminsandminerals/orthomolecular-medicine

Antioxidant Supplements Fuel Lung Cancer in Mice

... Some of the better-known antioxidants include beta carotene, ascorbic acid
(vitamin C), and vitamin E. Most studies involving antioxidants have ...

http://www.cancer.org/cancer/news/antioxidant-supplements-fuel-lung-cancer-in-mice

Circle Of Life : Cancer Education and Wellness for American ...

... Does beta-carotene reduce cancer risk? We know that beta-carotene, an
antioxidant that is related to vitamin A, is found in vegetables and fruits. ...

http://www.cancer.org/acs/groups/cid/documents/document/acsd-007319.pdf

Cancer Glossary

... See also tumor. beta carotene Search [bay-tuh KAIR-uh-teen]. a form of vitamin
A that is found mainly in yellow and orange vegetables and fruits. ...

http://www.cancer.org/cancer/cancerglossary/index.aspx?letter=b