Rethinking treatment of mercury poisoning: the roles of selenium, acetylcysteine, and thiol chelator N Acetyl L Cysteine (NAC) Superior Supplement Products Science First Designs for Health 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