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 Glutathione: Role in Oxidative Nitrosative Stress, Antioxidant Defense, and Treatments Raj Rai 2021 ChemistrySelect Wiley Online Library The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs Glutathione and NAC Reduce the Severity of COVID 19