The Role of Glutathione in Protecting against the Severe Inflammatory Response Triggered by COVID 19 Long COVID and Oxidative Stress: Brain Fog, Fatigue, and Cellular Damage Explained covidCAREgroup 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 GSTM1: GST Enzymes and Glutathione for Environmental Toxins Frontiers Glutathione deficiency in the pathogenesis of SARS CoV 2 infection and its effects upon the host immune response in severe COVID 19 disease