Disrupting Mitochondrial Pyruvate Uptake Directs Glutamine into the TCA Cycle away from Glutathione Synthesis and Impairs Hepatocellular Tumorigenesis: Cell Reports Solaray L glutathione Free Form 60 Capsules 50 MG Glutathione VS L Glutamine: Supplement Brands Need To Know The glutathione cycle shapes synaptic glutamate activity bioRxiv 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. Role of Glutamine in Cancer: Therapeutic and Imaging Implications Journal of Nuclear Medicine