Glutathione NADPH + H+ NADP+ FAD Pentose Phosphate Pathway Riboflavin Glutamate (Oxidized glutathione) (Reduced glutathione, a s L Glutathione oxidized CAS Number 27025 41 8 Order from Chemodex Oxidation reduction pathway of reduced glutathione (GSH) and oxidized Download Scientific Diagram The glutathione redox cycle, demonstrating the inter conversion of Download Scientific Diagram Structure of GSH (reduced glutathione, left) and of GSSG (oxidized Download Scientific Diagram Full article: A direct comparison of methods used to measure oxidized glutathione in biological samples: 2 vinylpyridine and N ethylmaleimide