Is Glutathione safe? If it's safe which is the best one to buy? : r IndianSkincareAddicts So, the good, bad and ugly of Glutathione (IV and otherwise), Currently, there is a buzz about how IV glutathione doesnt work for making the skin fair, which is exactly what many derms have always Glutathione can be administered in several ways, each with different absorption rates, effectiveness, and risks. , Here is the main routes:, 1. Intravenous (IV) Glutathione, Most effective Scientists finally find an effective way to replenish cellular levels of the antioxidant glutathione