Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification 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 Hemoglobin is an oxygen dependent glutathione buffer adapting the intracellular reduced glutathione levels to oxygen availability ScienceDirect Dietary (Phyto)Nutrients for Glutathione Support Encyclopedia MDPI