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Antioxidants are ingredients thought to reduce the effects of free radicals. Free radicals are substances that cause oxidative stress, which may contribute to aging and certain diseases. Taking antioxidants is thought to counteract these effects.

Fruits and vegetables contain antioxidants. Eating more fruits and vegetables usually has benefit for disease. But there's limited evidence to know whether antioxidant supplements help to prevent disease.

Antioxidants don't seem to help with various cancers or heart disease. Antioxidants have been tried for asthma, kidney disease in people with diabetes, and many other conditions, but there is no good evidence to support these uses.

Antioxidants are chemicals that seem to reduce "oxidative stress." Oxidative stress is thought to worsen many different conditions such as cancer and heart disease.

When taken by mouth: Antioxidants are LIKELY SAFE when taken by mouth appropriate amounts. Certain antioxidants are POSSIBLY UNSAFE when used in large doses. Antioxidants like beta-carotene and vitamin E can cause serious adverse events when used in large doses. See specific ingredients for more detailed safety information.

Special Precautions & Warnings:

Pregnancy: Antioxidants are POSSIBLY SAFE when taken by mouth in appropriate doses for pregnant women. See specific ingredients for more detailed safety information.

Breast-feeding: There is not enough reliable information about the safety of antioxidants, in general, if you are breast-feeding. See specific ingredients for detailed safety information.

See specific ingredients for interactions with medicines.

There are no known interactions with herbs and supplements.

There are no known interactions with foods.

No data available.

Antioxidant Agents, Antioxidant Supplements, Antioxidant Therapy, Antioxidant Vitamins, Dietary Antioxidants, Oxidation Inhibitor.

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