7 Surprising Glutathione Supplement Side Effects FWDfuel Sports Nutrition The Food and Drug Administration (FDA) warns the public on the dangers associated with the use of injectable lightening agents such as glutathione and Vitamin C. In the Philippines, several health and Amazon.com: Herbal avRay Glutathione Skin Whitening Pills Natural Lightening Pills with Collagen, Dark Spot Remover, Glutathione Supplement with Anti Aging & Antioxidant Effect, 90 Vegan Capsules : Health & Household Does taking glutathione actually work?, Many people take glutathione supplements hoping for brighter, healthier skin., But heres the truth , Once glutathione is swallowed, it enters the stomach