Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Essential Glutathione Optimal Health Systems Glutathione vs Astaxanthin BOTH are powerful antioxidants but they work differently Think of them as elite defenders against oxidative stress (cell damage). Glutathione = the MASTER antioxidant inside your body Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification