A sustained-release alpha-lipoic acid complex, containing alpha-lipoic acid, R-alpha-lipoic acid, and biotin.;Suggested use: As a dietary supplement, 1 tablet one or two times daily with food, or as directed by a health care professional. Other ingredients: Calcium sulfate, microcrystalline cellulose, hydroxypropyl methylcellulose, magnesium trisilicate, magnesium stearate, stearic acid, cellulose & glycerin coating, silica. These nutrients are of the highest quality and purity obtainable, and do not contain preservatives, diluents, or artificial additives.