Glutathione And A.I.D. Fung & Goh Glutathione: The Master Antioxidant Core Med Science Glutathione Depletion and Stalwart Anticancer Activity of Metallotherapeutics Inducing Programmed Cell Death: Opening a New Window for Cancer Therapy ACS Omega What is glutathione? Know as the most important antioxidant in the body, glutathione is an essential antioxidant manufactured in all cells, but primarily in the liver. It is essential because it Glutathione: The Molecule That Decides Your Future What if I told you your body already has a built in system to fight aging, toxins, and inflammation? It's called Glutathioneyour body's master antioxidant.