Glutathione facts: 1. Glutathione is an important antioxidant in the body that helps protect cells from damage caused by free radicals. It is found in almost every cell and is composed of Frontiers Glutathione: new roles in redox signaling for an old antioxidant Glutathione facts: 1. Glutathione is an important antioxidant in the body that helps protect cells from damage caused by free radicals. It is found in almost every cell and is composed of Why is Glutathione the Key to Gut Health? Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Glutathione vs Astaxanthin BOTH are powerful antioxidants but they work differently Think of them as elite defenders against oxidative stress (cell damage). Glutathione = the MASTER antioxidant inside your body