Glutathione and Vitamin C supplement combo enhances athletic performance, new trial shows Optimal Health Insider Optimal Health Systems Glutathione is often called the body's master antioxidant for a reason It plays a central role in protecting cells from oxidative stress, supporting detoxification pathways, and maintaining immune function. As levels 9 Health Benefits of Glutathione Glutathione The master antioxidant your body already makes now trending in aesthetic medicine. Helps reduce oxidative stress Supports brighter, more even skin tone Detox role in the Glutathione: The Master Antioxidant Core Med Science Reduction of oxidative stress in plants with glutathione