Built beyond glutathione Our newest formula combines liposomal glutathione with Vitamin C, Riboflavin, Selenium, and Resveratrol to support antioxidant activity at multiple levels.* Swipe through to see what's inside and how 8.7 Selenium LibreTexts Nutrition What is the role of selenium in supporting glutathione peroxidase activity? Selenium is one of the few nutrients that directly controls how your body handles oxygen at the cellular level. Every time your cells produce energy, they generate peroxides as a byproduct. That