9 Health Benefits of Glutathione The Rockefeller University How the antioxidant glutathione keeps mitochondria healthy Best Glutathione Supplement 4 Recommendations in 2026 Glutathione is a natural substance in our bodies that helps protect our cells from damage. It's made from three amino acids, the building blocks of proteins. Glutathione works like a superhero, 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