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, the Underrated Antioxidant You Need in Your Diet What To Avoid When Taking Glutathione CHOQ A Review of Dietary (Phyto)Nutrients for Glutathione Support Glutathione: Benefits and Supplements