Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why it's sometimes marketed for skin brightening. Oral supplements are mostly broken down in the Glutathione: The Master Antioxidant Glutathione is often called the body's "master antioxidant" and for good reason. This powerful tripeptide (made from cysteine, glycine, and glutamate) is produced naturally in your cells, What is Glutathione? What are the Benefits of Glutathione? Amazon.com: CONTINUAL G Powder Clinically Proven Cellular Glutathione Precursor Benefit of Glyteine & Sunfiber Immune Support, Master Antioxidant, Detox, Brain Health & Skin Care 60 Sachets : Health & Household A Literature Review of Glutathione Therapy in Ameliorating Hepatic Dysfunction in Non Alcoholic Fatty Liver Disease Glutathione in Skin Aging and Tissue Regeneration: A Systematic Review of Molecular Mechanisms, Redox Modulation, and Biomedical Implications