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 is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get Unlock the Power of Glutathione: Fight Disease, Slow Aging, and Boost Energy with Dr. Nayan Patel Thrive Forever Fit with Jay Nixon Glycine Ingredient Guide Time Health What Is Glutathione Made Of? The Master Antioxidant Unveiled Route2Health