Get high-powered antioxidant protection and nutritional support for healthy carbohydrate metabolism with our most potent alpha lipoic acid supplement ever! Alpha lipoic acid is a powerful free-radical fighter well known for its ability to rejuvenate other antioxidants like vitamins C and E. At higher intakes, it provides uniquely effective support for healthy metabolic processes. Swanson Alpha Lipoic Acid delivers a potent 600 mg of this valuable nutrient to accommodate even the most demanding nutritional regimens.