Glutamate Glutamine cycle Astrocyte in glutamate glutamine metabolism Glutamine: Metabolism and Immune Function, Supplementation and Clinical Translation Glutathione, often dubbed the master antioxidant plays a crucial role in detoxification, immune function, and protecting our cells from oxidative stress. Here are some signs that your levels might be low: Persistent Glutamine (Gln) is converted to glutamate (Glu) by glutaminase, encoded Download Scientific Diagram It turns out that T cells utilize quite a bit of glutamine to a) replenish TCA cycle intermediates ('anaplerosis') as well as to b) exchange for other amino acids. Glutathione The Master Antioxidant With Enormous Benefits Wellness By Rosh Integrative Wellness