What is Alpha Lipoic Acid?Natrol Alpha Lipoic Acid is a powerful formula rich in antioxidant protection. Our Alpha Lipoic Acid product can help neutralize free radicals in the body and help protect cells from damage .Alpha Lipoic Acid is a fatty acid needed by the body to produce the energy for our body"s normal functions. Alpha lipoic acid converts glucose (blood sugar) into energy. Alpha lipoic acid is also an antioxidant, a substance that neutralizes potentially harmful chemicals called free radicals. What makes alpha lipoic acid unique is that it functions in water and fat, unlike the more common antioxidants vitamins C and E, and it appears to be able to recycle antioxidants, such as vitamin C, after they have been used up.No yeast, wheat, corn, milk, egg, soy, glutens, artificial colors or flavors, added sugar, starch and preservatives.