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 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 Potential role of molecular hydrogen therapy on oxidative stress and redox signaling in chronic kidney disease ScienceDirect Glutathione Injections: Side Effects & Benefits