Glutathione metabolism. In the presence of an amino acid glutathione is Download Scientific Diagram 8 But none of this explains WHY GGT is elevated at all 1GGT is maintaining glutathione stores 2If glutathione is, GGT goes 3No GGT? glutathione Q: What depletes glutathione? A: oxidative stress Glutathione: pharmacological aspects and implications for clinical use Geriatric Care Gamma glutamyl transferase and cardiovascular disease Ndrepepa Annals of Translational Medicine The Biological Functions of Glutathione Encyclopedia MDPI Crystal structures of glutamyltranspeptidase from Escherichia coli, a key enzyme in glutathione metabolism, and its reaction intermediate PNAS