Critical Roles of the CysteineGlutathione Axis in the Production of Glutamyl Peptides in the Nervous System Glutamine: Metabolism and Immune Function, Supplementation and Clinical Translation What is the Difference Between Glutathione and Glutamine Pediaa.Com Glutathione is an antioxidant that's made up of the three amino acids glutamine, glycine, and cysteineall of which are rich in the mineral sulfur. The main functions of glutathione are to fend off Glutamine, Glutamate, and Glutathione: What They Are and Why They are Important Anti Aging And Wellness Clinic GLUTAMINE Vs. GLUTATHIONE: What's The Difference? OC Integrative Medicine