Ask the Doctors What do glutathione supplements do? UCLA Health 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 What are the Side Effects of Glutathione? FDA highlights concerns with using dietary ingredient glutathione to compound sterile injectables FDA 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 Glutathione and Side Effects: What You Need to Know for Better Health Performance Lab