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 Glutathione: Beyond the Master Antioxidant Most practitioners stop at calling glutathione a detox molecule. But in practice, it's much more it's a central regulator of redox balance, immune modulation, mitochondrial protection, and even Glutamine and Its Actions: A Bird's Eye View Metabolic orchestration driven by GGCT: diverting glutamine to glutathione biosynthesis while enhancing glucose anaplerosis for tumor proliferation Cell Death & Disease