Glutathione vs. NAC: Which Antioxidant Is Best for Your Liver? Life Extension Glutathione gets hyped as the master antioxidant that detoxes your body and slows aging but does it really live up to the hype?, Your body already makes glutathione naturally from amino acids like Day 1 of 15: What Is Glutathione? If you've never heard of glutathione, buckle up. This might be the most important health series you follow all year. Glutathione is produced inside every Glutathione lives in every single cell in your body. When levels drop, or your detox pathways get backed up, it can help to supplement with glutathione. The challenge is absorption. Thats why I take