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 Glutathione is known as the master antioxidant. This critical compound protects cells from damage caused by free radicals and toxins, supports detoxification, plays a key role in DNA synthesis and repair, Top 8 Glutathione Rich Foods For Glowing & Healthy Skin Natural Ways to Boost Your Glutathione Levels (Without Expensive Supplements)