Eat These Foods to Increase Glutathione in Your Body Vitality Medical Wellness Center 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 Role of Selenium Dependent Glutathione Peroxidases (Seleno GPxs) in Radio Modulation: Lessons for Radiation Oncology Biological Trace Element Research Springer Nature Link Modeling the Catalytic Cycle of Glutathione Peroxidase by Nuclear Magnetic Resonance Spectroscopic Analysis of Selenocysteine Selenenic Acids Journal of the American Chemical Society 9 Health Benefits of Glutathione