R(+)-Lipoic acid is the natural form of this vital antioxidant. It is the sole form produced in the body for use in the mitochondria. Conventional "lipoic acid" or "alpha lipoic acid" supplements are only 50% R(+)-lipoic acid; the other half of such suppl

R(+) SR is specially formulated with a more bioavailable salt form than the conventional "alpha lipoic acid" or R+ Lipoic acid and is more stable to heat and moisture making it more resistant to polymerization. In addition, R(+)SR is formulated in a speci