Selenium is one of the few nutrients that directly controls how your body handles oxygen at the cellular level. Every time your cells produce energy, they generate peroxides as a byproduct. That Effects of selenium and glutathione peroxidase on the biosynthesis of prostaglandin E and F by the ram vesicular gland Semantic Scholar Selenoglutathione Diselenide: Unique Redox Reactions in the GPx Like Catalytic Cycle and Repairing of Disulfide Bonds in Scrambled Protein Biochemistry Se metabolism by bacterial cells. GSH, glutathione; Se (0), elemental Download Scientific Diagram