Bioclinic Naturals - R-Alpha-Lipoic Acid 100mg 60 vcaps. Dietary SupplementAntioxidant for the maintenance of good health.* Contains 100 mg of the highly stable, bioactive and natural '''''''''''''''R'''''''''''''''''' form of alpha lipoic acid. This natural form has been clinically proven to stay in the b... - Bioclinic Naturals - R-Alpha-Lipoic Acid 100mg 60 vcaps.