Alpha Lipoic Acid. Alpha Lipoic Acid 100 mg <> 200 mg <>. (L-acidascorbic acid) 250 mg 312,5% 500 mg 625%. (D-alpha-tocopheryl succinate) 20 mg 312,,5% 40 mg 625%. Lipoic acid. Hypersensitivity to any of the preparation ingredients.