Stable form for optimal supportVegetarian CapsulesAdvanced Dietary SupplementVeganNon-GMOGluten FreeDelayed Release GMP Manufacturing Quality Assured Independent Testing Discussion: R-Lipoic Acid 300 mg contains 300 mg of this powerful antioxidant in a single capsule to enhance its stability and effectiveness. AOR's R-Lipoic acid 300 provides the natural active form-R alpha rather than inactive S alpha.