The changing faces of glutathione, a cellular protagonist., Volume I Frontiers Research Topic Insights into the Role of Glutathione Peroxidase 3 in Non Neoplastic Diseases Longer Lifespans and Better Health with Glutathione: Taking the Confusion Out of the Master Antioxidant WholeFoods Magazine File:Glutathione Reductase and Peroxidase Graphic.jpg Wikimedia Commons GLUTATHIONE PEROXIDASE, SELENIUM AND VITAMIN E Free radicals "steal" electrons from the chemical structures that make up cell membranes. When the structures making up the cell membranes loose electrons they too become The glutathione peroxidase Gpx4 prevents lipid peroxidation and ferroptosis to sustain Treg cell activation and suppression of antitumor immunity: Cell Reports