Contains Alpha-Lipoic Acid (ALA) and BiotinOptimized alpha lipoic acid formulation.Sustain Bilayer Release Technology- ?1/3 quick 2/3 sustained release.Jarrow FORMULAS ALA is a lipid and water soluble antioxidant.*Biotin is added for optimum ALA activity.*Supports normal carbohydrate metabolism.*Suitable for vegetarians/vegans.Other products from HerbsPro