Glutathione Injection Before and After: What Expect In Results Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why its sometimes marketed for skin brightening., Oral supplements are mostly broken down in Glutathione: Master Antioxidant, Reducing Oxidative Stress, and Detoxification Glutathione IV Therapy: Timeline for Skin Lightening Glutathione Injections: Benefits, Dosage, and Costs Hydrate IV Bar