Glutathione for the skin Paula's Choice Let's talk Glutathione Glutathione's Role in Immunity: Glutathione plays a significant role in immune function. Studies have shown that glutathione strengthens T cells which are critical for modulating the immune 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 Glutathione: Heart Health Benefits and More Glutathione synthesis and its role in redox signaling. Semantic Scholar