What Is Glutathione? Can It Really Brighten Your Skin? What Is Reduced Glutathione? Benefits, Sources & Uses Glutathione (GSH) Intracellular Antioxidant, Liver Support Dr. Glutathione (GSH) is the most prevalent, powerful antioxidant in the body and recharges other antioxidants, but our ability to produce it declines as we age. That's why it's a Glutathione is a critical soldier in our line of defense. We even have mechanisms that recycle and reuse it. But what happens when our toxic burden becomes too high? Our genetic detoxification