There are several use cases where a course of IV glutathione can help support pigmentation treatments, different clinics have different protocols based on what worked for them. Even within RENDER, Oral glutathione has been everyone on my timeline but does it actually work?! Looking at the data, its very modest to be honest. Id recommend sticking to what we know works fo hyperpigmentation in Glutathione Skin Lightening: Benefits and Process Explained How Long Do Glutathione Tablets Take to Work Gluta One GLUTA ONE Pvt.Ltd