Frontiers Rumen protected methionine for dairy and beef cattle: current perspectives on methionine role, supplementation strategies, metabolism, health, and performance Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification 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 Can Oxidative Stress Be Reduced?