Glutathione Metabolism and Its Implications for Health ScienceDirect Your body makes glutathione for a reason, it's the antioxidant that: Protects Repairs; and Detoxifies at a cellular level. When levels are depleted, supporting production can make a profound Glutathione 500 mg Plus 21st Century Vitamins 21st Century Vitamins Must Know Top 10 benefits of Glutathione IV Infusion Treatment 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