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 What Is Glutathione? Health Benefits, Risks, and More Foods Rich Glutathione Fresh Ripe Fruits Stock Photo 2626383207 Shutterstock The 7 Best Glutathione Foods Foods Highest in Glutathione Glutathione facts: 1. Glutathione is an important antioxidant in the body that helps protect cells from damage caused by free radicals. It is found in almost every cell and is composed of