Glutathione & Diabetes: How the Body's Master Antioxidant 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 Diabetes Awareness: How Immunocal Can Help Immunotec Blog GLP 1 and Glutathione: Understanding the Relationship and Clinical Applications National Medical Resources Inc Improved glycemic control either alone, or combined with antioxidant supplementation, fails to restore blood glutathione or markers of oxidative stress in adolescents with poorly controlled type 1 diabetes ScienceDirect