Body Protector. Powerful Antioxidant. Supports Normal Blood Glucose Metabolism. Alpha Lipoic Acid (ALA) performs both enzyme co-factor and antioxidant functions in the body. It is naturally found in the he body as dihydrolipoate or lipoate. Its unique fatty acid thiol structure makes it both fat and water soluble which enables it to function in the regeneration of vitamins C and E (powerful antioxidant) and glutathione. ALA has recently been shown to support normal blood glucose metabolism detoxification and eye function.