Glutathione Injections: Side Effects & Benefits 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 Amazon.com: Codeage Liposomal Glutathione 1000 mg Supplement, High Potency Reduced L Glutathione Liposomal Delivery Phospholipids Non GMO, Gluten Free 60 Capsules : Health & Household