Glutathione is a natural antioxidant your body makes, and it can influence melanin production which is why it's sometimes marketed for skin brightening. Oral supplements are mostly broken down in the Glutathione and Nitric Oxide: Key Team Players in Use and Disuse of Skeletal Muscle Cost of Glutathione for Anti Aging Treatments in Avon CT Glutathione: Body's Defender and Function Biom Probiotics Glutathione: Why is it important for detox & how to improve the amount in your body RealTime Laboratories Glutathione an overview ScienceDirect Topics