Glutathione S transferase Wikipedia One lab marker could reveal your risk for heart disease, brain decline, and poor detoxand most people have never heard of it. Benefits of Glutathione." Glutathione is a compound involved as a coenzyme in oxidationreduction reactions in cells. It is a tripeptide derived from 3 amino acids: Cysteine, glutamate (from glutamic acid), and glycine. Glutathione deficiency and heart failure: a systematic review of human and animal evidence ScienceDirect