Take a big step towards healthy & active living with the GNC Alpha-Lipoic Acid. Popularly known as ‘The Universal Antioxidant’, Alpha-Lipoic Acid promotes strong antioxidant activity in every cell of your body by reusing other antioxidants, such as Vitamin C, Vitamin A, and Glutathione. It also boosts energy levels, helps maintain healthy blood sugar levels, improves cognitive functions, and prevents signs of ageing.