Glutathione Wikipedia 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 Why Glutathione Is Known as the Best Antioxidant Whether recovering from illness, medication use, or optimizing overall health, supporting glutathione our body's master antioxidant is crucial for children's wellbeing. WHY GLUTATHIONE MATTERS: Glutathione is our most important Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Benefits of Glutathione