National Center for Complementary and Alternative Medicine (NCCAM)

NIH…Turning Discovery Into Health®

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Antioxidants

Antioxidants are substances that may prevent potentially disease-producing cell damage that can result from natural bodily processes and from exposure to certain chemicals. Examples of antioxidants include anthocyanins, beta-carotene, catechins, coenzyme Q10, flavonoids, lipoic acid, lutein, lycopene, selenium, and vitamins C and E. There are a number of different antioxidants found in foods and available as dietary supplements.