Glutathione: Uses, Side Effects, Precautions and Dosage 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 Ask the Doctors What do glutathione supplements do? UCLA Health Glutathione tablets are often called the master antioxidant for a reason. They help detoxify your body by flushing out toxins, support liver health, and fight free radicals that cause premature aging. With What To Avoid When Taking Glutathione In 2026