How Much is Too Much? Mastering Your Glutathione Injection Dosage Per Week Glutathione Peptide Direct Health Shop 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 What is Glutathione and what are the benefits? G L U T A T H I O N E is a naturally occurring tri peptide molecule produced by the liver that is found Glutathione. Molecular model of the peptide thiol and antioxidant chemical glutathione (C10.H17.N3.O6.S). This molecule prevents damage to important cellular components caused by free radicals. Atoms are represented as spheres and are colour coded: