Glutathione IV Therapy: What You Need to Know What Is Reduced Glutathione? Benefits, Sources & Uses Glutathione, often dubbed the master antioxidant plays a crucial role in detoxification, immune function, and protecting our cells from oxidative stress. Here are some signs that your levels might be low: Persistent Glutathione is often called the body's master antioxidantand for good reason. It works at a cellular level to help protect against oxidative stress, support detoxification, and keep your system functioning efficiently. But