Alpha lipoic acid occurs naturally in the body. Alpha lipoic acid was originally thought to be a vitamin, but alpha lipoic acid was reclassified upon the discovery that it is created in the bodies of humans and animals. Alpha lipoic acid is involved in the production of energy from carbohydrates. Alpha lipoic acid may improve insulin resistance and glucose use. Research shows that alpha lipoic acid may also be also useful in the treatment of nerve and eye damage. Alpha lipoic acid has been used for dementia, chronic fatigue syndrome, HIV/AIDS, cancer, liver disease, cardiovascular disease, and Lyme disease. Alpha lipoic acid may also enhance the antioxidant action of vitamin E, vitamin C, and glutathione, and prevent oxidative damage to nerves and the brain.<br><br><em>These statements have not been evaluated by the U.S.Food and Drug Administration. These ingredients are not intended to diagnose, treat, cure or prevent any disease.</em>