Nature"s Way 100% pure pharmaceutical grade Alpha Lipoic acid with Rosemary is 100% natural and contains no common food allergens.Alpha Lipoic Acid is essential for energetic metabolism and prevents destruction of other antioxidants. It is also helpful as an antioxidant by itself, as well as being useful in restoring and reusing other antioxidants such as vitamin C, vitamin E, and GSH glutathione.**These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.