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 Glutathione prevents chronic oscillating glucose intake induced cell dedifferentiation and failure Cell Death & Disease Frontiers Daphnetin modulates GLP 1R to alleviate cognitive dysfunction in diabetes: implications for inflammation and oxidative stress GLP 1 and Glutathione: Understanding the Relationship and Clinical Applications National Medical Resources Inc Glutathione IV: The Ultimate Antioxidant for Detox and Skin