What is glutathione? Know as the most important antioxidant in the body, glutathione is an essential antioxidant manufactured in all cells, but primarily in the liver. It is essential because it Oral L glutamine restores adenosine and glutathione content in the skeletal muscle and adipose tissue of insulin resistant pregnant rats ScienceDirect Glutathione prevents high glucose induced pancreatic fibrosis by suppressing pancreatic stellate cell activation via the ROS TGF SMAD pathway Cell Death & Disease Health Benefits of Glutathione HubPages