L Glutathione CD Bioparticles IT'S LANDED! We're the first in the UK to launch L Glutathione in a subcutaneous pen format. L Glutathione is often called the ultimate antioxidant. It's a tripeptide, basically a small molecule made Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Structure of reduced glutathione (GSH) . Glutathione (L g Download Scientific Diagram