Super R-Lipoic Acid, 240 mg, Life Extension, 60 Veggie CapsulesLife Extension Super RLipoic Acid, 60 Veggie Capsules, 240 mg, is a dietary supplement designed to support healthy mitochondrial function and preserve youthful cellular energy. This product contains the "R" form of alphalipoic acid, which is the biologically active component responsible for its antioxidant effects. Unlike typical alphalipoic acid supplements that contain a 50 50 ratio of "R" and "S" forms, this supplement provides a more concentrated