Glutathione is often called the body's master antioxidant for a reason It plays a central role in protecting cells from oxidative stress, supporting detoxification pathways, and maintaining immune function. As levels The functions of inter and intracellular glutathione transport systems in plants ScienceDirect Glutathione Supplementation Cannot Increase Cellular Glutathione Levels Glutathione Reporter Real time imaging of the intracellular glutathione redox potential Nature Methods