Free radicals are molecules that can damage your cells and cause problems, including liver disease. Leafy greens like spinach have a powerful antioxidant called glutathione, which can protect against free radicals and Glutathione biosynthesis plays an important role in microcystin LR depuration in lettuce and spinach ScienceDirect Glutathione Foods to Raise Glutathione Levels LivOn Labs 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