Glutathione NADPH + H+ NADP+ FAD Pentose Phosphate Pathway Riboflavin Glutamate (Oxidized glutathione) (Reduced glutathione, a s Full article: A direct comparison of methods used to measure oxidized glutathione in biological samples: 2 vinylpyridine and N ethylmaleimide Composition and structural formula of glutathione Omizzur GSH GSSG Glo Assay Measure Ratio of GSH to GSSG Promega Glutathione in Cellular Redox Homeostasis: Association with the Excitatory Amino Acid Carrier 1 (EAAC1) Oxidized Glutathione (GSSG) ELISA Kit, Cat#EKU11585 Biomatik