R-Lipoic Acid (stabilized) 60c is available by Douglas Laboratories.
HEALTH FUNCTION: Antioxidant, Blood Sugar Metabolism
A Dietary Supplement
60 Vegetarian Capsules
Alpha-lipoic acid is a nutritional coenzyme that participates in the metabolism of proteins, carbohydrates and fats, and plays a particularly important role in blood glucose utilization. R-Lipoic acid also functions as an antioxidant that can scavenge free radicals. The R-lipoic acid isomer used in this formulation is provided in a stabilized form as potassium-R-lipoate and does not contain any S-lipoic acid.
Each Vegetarian Capsule Contains:
Vitamin C ...5mg
R-Lipoic Acid ...100mg
(from 250 mg. of Potassium R-Lipoate)