The Selenoprotein Glutathione Peroxidase 4: From Molecular Mechanisms to Novel Therapeutic Opportunities Not all glutathione is equal. Alone isn't enough. Incomplete won't work. It functions as a system. Not a single input. Built to work together. Gluta Radiance Pro Coming soon. The Selenoprotein Glutathione Peroxidase 4: From Molecular Mechanisms to Novel Therapeutic Opportunities Below are my top tips for boosting glutathione levels. Eat sulfur rich foods. Glutathione contains a sulfur chemical group, which is kind of like its secret weapon. Sulfur is a sticky, smelly Longer Lifespans and Better Health with Glutathione: Taking the Confusion Out of the Master Antioxidant WholeFoods Magazine Selenium and Selenoproteins: Mechanisms, Health Functions, and Emerging Applications