Twinlab Alpha Lipoic Acid Description: Gluten Free Alpha Lipoic Acid is a sulfur containing ingredient. It has been shown to work with antioxidant vitamins C and E and glutathione. Well tolerated by most individuals. Free Of Added sugars, salt (sodium), preservatives, tablet binders and coatings. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.