Glutathione and Side Effects: What You Need to Know for Better Health Performance Lab Mitochondria target the plasma membrane to cause mitoxyperiosis Cell Research Targeting gamma glutamyl transpeptidase: A pleiotropic enzyme involved in glutathione metabolism and in the control of redox homeostasis ScienceDirect The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation