Enhancing the Oral Bioavailability of Glutathione Using Innovative Analogue Approaches The Internet has a lot to say about Glutathione. But before you swear by it, get to know it >>> Topical vs Oral Glutathione: Which Is Better for Skin? Glutathione IV Glutathione is your body's master antioxidant. It plays a critical role in detoxification pathways, mitochondrial protection, and cellular repair. Delivered intravenously, it provides higher bioavailability than oral supplementation