Jarrow Formulas Stabilised R-Alpha Lipoic Acid (Bio-Enhanced Na-RALA) is R-(+)-Alpha Lipoic Acid (RALA). It is heat and shelf stable and exhibits high bioavailability. Most alpha-lipoic acid supplements are racemic (i.e., they include equal amounts of the [(R)] and [(S)] forms).
Manufactured by Jarrow Formulas
R-Alpha Lipoic Acid with Biotin