Natural Compounds and Glutathione: Beyond Mere Antioxidants Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why it's sometimes marketed for skin brightening. Oral supplements are mostly broken down in the Why Glutathione is Called the 'Master Antioxidant' and What It Means f Setu Nutrition