Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why it's sometimes marketed for skin brightening. Oral supplements are mostly broken down in the Glutathione Supplements: A Complete Guide Glutathione Function in the Body 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. Glow From Within: The Benefits of Glutathione, easy ways to improve your health What is glutathione and why must we protect patient access to it?