Glutathione Injections Skin Whitening Glutathione IV Treatment Deciding Between Oral and IV Glutathione? Let's Break it Down! Not sure whether to choose oral or intravenous glutathione? Here's what you need to know! Oral Glutathione: Convenience: Skin safety should always come first. The Philippine Dermatological Society reminds the public that intravenous glutathione must not be used for skin whitening. It has weak evidence of effectiveness and carries IV Glutathione: What It Can Do And What It Cannot