Does Glutathione IV and Vitamin Supplements with Glutathione Have Any Negative Side Effects? 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 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 Benefits & Side Effects When Should You Take Glutathione? Glutathione: The Master Antioxidant Core Med Science