Vitamin C & Glutathione IV Therapy: Path to Optimal Wellness Eat These Foods to Increase Glutathione in Your Body Vitality Medical Wellness Center Glutathione is one of the most powerful antioxidants, naturally synthesized in the body and central to cellular defense. Glutathione supports the effective functioning of the immune system by reducing oxidative damage caused Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get Glutathione and Vitamin C: Better Together? Performance Lab Natural Ways to Increase Your Glutathione Levels