99.9% 1000mg L-Glutathione GSH & Vitamin C & Alpha & Lipoic Acid Antioxidant x 120. Doing this protects the Glutathione molecule and dramatically improves absorption. L-Glutathione GSHReduced Liposomal L- Glutathione GSH is a powerful antioxidant in the body, and may promote liver health, immune, and general wellness, protecting the body from disease, slowing cancer progression, improving insulin sensitivity.