Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification What is glutathione and why must we protect patient access to it? Glutathione, often dubbed the master antioxidant plays a crucial role in detoxification, immune function, and protecting our cells from oxidative stress. Here are some signs that your levels might be low: Persistent Tumor targeted glutathione oxidation catalysis with ruthenium nanoreactors against hypoxic osteosarcoma Nature Communications 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 an overview ScienceDirect Topics