Glutathione Deficiency: Symptoms, Causes, and Treatment Glutathione deficiency and heart failure: a systematic review of human and animal evidence ScienceDirect The glutathione peroxidase Gpx4 prevents lipid peroxidation and ferroptosis to sustain Treg cell activation and suppression of antitumor immunity: Cell Reports Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic