Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why its sometimes marketed for skin brightening., Oral supplements are mostly broken down in Metagenics Glutathione 30 Capsules for Antioxidant Support Is oral glutathione supplementation recommended for healthy individuals, and what are the evidencebased indications and appropriate dosing? Full article: Glutathione as an oral whitening agent: A randomized, double blind, placebo controlled study Glutathione as a skin whitening agent: Facts, myths, evidence and controversies Indian Journal of Dermatology, Venereology and Leprology How Often Can You Get Glutathione IV Treatment? Harleys Clinic