Antioxidant Protection. Suitable for Vegetarians. Gluten Wheat & Dairy Free. Alpha Lipoic Acid is a coenzyme and one of the most powerful antioxidant. It is referred to as the universal antioxidant because it is water and fat soluble enabling it to function in both the membrane and aqueous parts of cells to help fight cell damaging free radicals in the body. Alpha Lipoic Acid supports the regeneration of glutathione one of the body's primary antioxidants and helps to recycle glutathione Vitamins C and E and Coenzyme Q10.