Alpha-Lipoic Acid is a powerful fat and water-soluble antioxidant. It directly recycles vitamin C and indirectly recycles vitamin E, providing additional antioxidant protection. It is also an important component in the energy production process in the cells. In recent research, 600 mg of alpha-lipoic acid daily was found to decrease plasma LDL oxidation. Source Naturals ALPHA-LIPOIC ACID TIMED RELEASE is designed to be released gradually throughout the day.