Glutathione 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 L Glutathione Amazon.com: Invite Health Gluta Hx Supports Detoxification and Optimizes Liver Health Contain Dimethylglycine (DMG), Vitamin C, Selenium, Spinach, Parsley Leaf and Lipoic Acid 30 Servings : Health & Household An investigation on glutathione derived from spinach and red cabbage leaves and their effects of adding to meat patties ScienceDirect