Nature's Harbor Alpha Lipoic Acid is a very powerful antioxidant. It helps neutralize the damaging effects of free radicals throughout the entire body. It may also enhance the benefits of other antioxidants such as Vitamin C, Vitamin E and Glutathione. Glutathione is another one of the body's most powerful antioxidants. Alpha Lipoic Acid also helps the body convert food into energy and may help to maintain healthy blood sugar levels.