Do Glutathione Drips Really Brighten Skin? Evidence & Costs Glutathione IV: The Antioxidant Powerhouse for Optimal Health Stop chasing the "Glow" and start fueling it. It's World Health Day, and I'm spilling the tea on the hardest working molecule: Glutathione. The Science: Glutathione is a 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