Glutathione Participation in the Prevention of Cardiovascular Diseases What is glutathione? Know as the most important antioxidant in the body, glutathione is an essential antioxidant manufactured in all cells, but primarily in the liver. It is essential because it Glycolysis as a Red Blood cell Metabolic pathway 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 Nitric Oxide in Plants: The Roles of Ascorbate and Hemoglobin PLOS One Glutathione Wikipedia