Because glutathione levels decline as you age, and glycine can help slow the glutathione slide, it's a good idea to keep your levels high by eating protein rich foods, like organic poultry, grass fed PDF) Changes in hepatic glutathione metabolism in diabetes Impact of Oxidative Changes and Possible Effects of Genetics Polymorphisms of Glutathione S Transferase in Diabetics Patients with Complications IntechOpen Alpha Lipoic Acid IV Therapy for Liver Diseases and Diabetes Small diet and exercise changes can cut diabetes risk by more than half