What Happens When You Stop Taking Glutathione? 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 Glutathione oral supplements capsules work well when paired with Glutathione injections and alone if preferred. You can take them with your other daily supplements for excellent skin & health results. Glutathione supports Glutathione Injection For Skin Whitening: Cost, Benefits And Side Effects How Long Does Glutathione Take to Work & Show Results? Performance Lab