Eat These Foods to Increase Glutathione in Your Body Vitality Medical Wellness Center The 7 Best Glutathione Foods Foods Highest in Glutathione 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 Biological activity of onion peel extract and possible underlying Download Scientific Diagram