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 Benefits For Skin & Beauty 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. The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs