University Did you know Glutathione is your body's master antioxidant? It protects your cells from damage, boosts energy levels, and supports your immune system, all while helping to detoxify your body. What is Glutathione IV Used For? Fallbrook Medical Center Glutathione is a powerful antioxidant naturally present in your body. It plays a role in reducing oxidative stress and is often marketed for skin brightening. But here's the truth Topical ( Glutathione Function in the Body