Glutathione: Body's Defender and Function Biom Probiotics What is glutathione? How to increase glutathione in the body? 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, often dubbed the master antioxidant plays a crucial role in detoxification, immune function, and protecting our cells from oxidative stress. Here are some signs that your levels might be low: Persistent