Glutathione: The Master Antioxidant Core Med Science 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 Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation glutamylcysteine exhibits anti inflammatory effects by increasing cellular glutathione level ScienceDirect