Glutathione is a tripeptide composed of three amino acids: glutamine, cysteine, and glycine
Various glutamate analogues (L-Homocysteate, L-Quisqualate, 4-bromo-homoibotenate and S-4-Carboxy-phenylglycine (CPG)) have been shown to affect the exchange between L-cystine and glutamate across the cell membrane through system (143)
It is commonly investigated for its effects on muscle growth, fat loss, anti-aging, and recovery, as it promotes protein synthesis and cellular repair
It is of great interest for its effects and ability to induce sleep, especially in chronic insomnia, release pain, reduce oxidative stress, enhance muscle building, normalize of myocardial contractility, and is also being investigated as a possible agent in the treatment of depressive disorder and withdrawal symptoms