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 is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Effects and Impact of Selenium on Human Health, A Review[v1] Preprints.org Selenium abandons selenoproteins to inhibit ferroptosis rapidly Nature Metabolism Selenium and Your Genes