Glutathione is often called the master antioxidant for a reason This powerhouse works at a cellular level to support overall wellness, not just surface level glow. Here's what it actually does: Glutathione is often called the body's master antioxidant, and for good reason. Every day, your body faces oxidative stress from pollution, poor sleep, alcohol, UV exposure, and even intense exercise. Over time, Glutathione Baltimore Master Antioxidant: 3 Roles Explained Glutathione Injections