Glutathione metabolism in type 2 diabetes and its relationship with microvascular complications and glycemia PLOS One Cholesterol metabolism and its role in type 2 diabetes mellitus development Food, Nutrition and Health Springer Nature Link The Roles of Glutathione and Oxidative Stress in Diabetes and COVID 19 Our ancestors ate whole animals. Skin, cartilage, tendons, bones, organs. That meant they consumed massive amounts of glycine from collagen rich tissues. Modern humans eat almost exclusively muscle meat, which is extremely high Reactive metabolites and antioxidant gene polymorphisms in Type 2 diabetes mellitus ScienceDirect