Jarrow Formulas R-Alpha Lipoic Acid, Supports Energy, Cardio Vascular Health, 100 mg, 60 Caps

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Most alpha lipoic acid (ALA) products contain a racemic mixture of R-Alpha Lipoic Acid (R-ALA) and S-Alpha Lipoic Acid (S-ALA). Generally, equal amounts of R- and S- forms are produced during the manufacturing process of alpha lipoic acid, and thus, these products contain R-ALA and S-ALA in an equal ratio of 1:1. However, R-ALA is the only form of lipoic acid that is endogenously synthesized in humans and other organisms. Human pharmacokinetic studies have shown that peak concentrations of R-ALA are 40-50% higher than S-ALA after oral supplementation of racemic preparations, suggesting that R-ALA may have better absorption and bioavailability. In animal studies, R-ALA supplementation has shown better biological effects such as insulin-stimulated glucose transport, glucose metabolism, and antioxidative status. Thus, R-ALA may provide superior health benefits compared to racemic mixtures (R-ALA and S-ALA) or S-ALA alone.*


Distinguishing Features:
  • The Only Naturally Occurring Form of Alpha Lipoic Acid
  • Heat and Shelf Stable
  • High Bioavailability
  • The Universal Antioxidant + Biotin*

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