Common supplement ingredients thought to have antioxidant effects include vitamin E, beta-carotene, vitamin C, selenium, and others.
People use antioxidants for various cancers, heart disease, asthma, cystic fibrosis, and many other conditions, but there is no good evidence to support these uses.
Uses & Effectiveness
Possibly Ineffective for
- Bladder cancer. Taking antioxidant supplements by mouth doesn't seem to reduce the risk of bladder cancer.
- Cancer. Taking antioxidant supplements by mouth doesn't seem to prevent cancer or reduce the risk of death from cancer.
- Cataracts. Taking antioxidant supplements by mouth doesn't seem reduce the risk of cataracts or of needing cataract surgery.
- Colon cancer, rectal cancer. Taking antioxidants doesn't seem to reduce the risk of colon or rectal cancer.
- Heart disease. Taking antioxidant supplements by mouth doesn't seem to reduce the risk of heart attack, stroke, or death in people with heart disease.
- Nonmelanoma skin cancer. Taking antioxidants supplements by mouth doesn't seem to reduce the risk of nonmelanoma skin cancer.
- Prostate cancer. Taking antioxidant supplements by mouth doesn't seem to reduce the risk of prostate cancer.
Special Precautions and Warnings
Breast-feeding: There isn't enough reliable information to know if antioxidants in general are safe to use when breast-feeding. See specific ingredients for detailed safety information.
We currently have no information for ANTIOXIDANTS overview.
CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you.
This copyrighted material is provided by Natural Medicines Comprehensive Database Consumer Version. Information from this source is evidence-based and objective, and without commercial influence. For professional medical information on natural medicines, see Natural Medicines Comprehensive Database Professional Version.
© Therapeutic Research Faculty 2020.