Glutathione: Why is it important for detox & how to improve the amount in your body RealTime Laboratories 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 14 Glutathione Benefits for Your Body and Health Annex Naturopathic Clinic The appeal of glutathione injections makes sense. Glutathione is one of the most important antioxidants your body produces, and levels drop as you age, making the idea of a quick boost tempting.