Glutathione is often referred to as the “master antioxidant” — but what does that actually mean? Found in nearly every cell in the body, glutathione plays a critical role in protecting cells from oxidative stress, supporting detoxification pathways, and maintaining overall cellular balance. Understanding how glutathione works helps clarify why it has become a focus in medical and wellness settings. What Is Glutathione? Glutathione is a naturally occurring antioxidant made up