What Is Glutathione? Benefits, Uses & Which Form Is Most Effective Doctor Explains, Glutathione is known as the master antioxidant of the body. It is naturally produced in our cells and plays a 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 The Master Antioxidant With Enormous Benefits Wellness By Rosh Integrative Wellness Glutathione is a powerful antioxidant naturally present in your body. It plays a role in reducing oxidative stress and is often marketed for skin brightening. But here's the truth Topical ( What is Glutathione? Benefits, Dosages, and Side Effects