Glutathione: The Master Antioxidant And How to Support It Naturally If you've heard of glutathione, you've likely seen it called the master antioxidantand for good reason. It plays a central Glutathione production and turnover in RBC. Schematically presented are Download Scientific Diagram 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 The Biological Functions of Glutathione Encyclopedia MDPI Glutathione reductase Wikipedia