Can Oxidative Stress Be Reduced? Glutathione: What It Is, Why You Need It, How You Can Increase It The Amino Company 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 Figure 1 from Glutathione redox cycle protects cultured endothelial cells against lysis by extracellularly generated hydrogen peroxide. Semantic Scholar Intravenous Glutathione Enhances Cycling Time Trial Performance Hammer Nutrition