Antioxidant Protection Helps Protect Against Cellular Oxidation & Age-Related Damage Dietary Supplement 100% VegetarianNatrol Alpha Lipoic Acid 600 mg Time Release: Powerful antioxidant that protects cells from oxidative damage related to aging and environmental stress. Supports energy metabolism and helps rejuvenate cells. Important for blood sugar health. Controlled Release Tablet- provides antioxidant and energy support throughout the day.