10 Natural Ways to Increase Your Glutathione Levels 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, Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why its sometimes marketed for skin brightening., Oral supplements are mostly broken down in Glutathione Benefits + Natural Ways to Increase Your Glutathione Levels Markham Integrative Medicine