Glutathione Synthesis Explained: How Your Body Builds Its Master Antioxidant OrganiClinic Glutathione redox cycle. In the schematic diagram are represented the Download Scientific Diagram Mitochondrial glutathione redox cycle and interaction with other antioxidant MedLink Neurology How Glutathione Works: Detoxification Cycle Explained Mandy L. posted on the topic LinkedIn TJ. Glutathione peroxidase is an important enzyme in cellular antioxidant defense systems, detoxifying peroxides and hydroperoxides. As a component of the glutathione cycle, it protects the liver from reactive oxygen metabolites. Selenocysteine Glutathione Metabolism in Plants under Stress: Beyond Reactive Oxygen Species Detoxification