Science Time Glutathione Glutathione is a tri peptide, a small protein consisting of three amino acids, that functions as a principle antioxidant, scavenging free radicals and toxins that would otherwise damage and 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 IV Therapy CELMED Clinic Glutathione an overview ScienceDirect Topics The Glutathione System: A Journey from Cyanobacteria to Higher Eukaryotes