A Literature Review of Glutathione Therapy in Ameliorating Hepatic Dysfunction in Non Alcoholic Fatty Liver Disease FDA Warning: Injectable Lightening Agents Injectable glutathione and vitamin C for skin whitening are NOT FDA approved and come with serious risks: liver and kidney damage, infections, and long term health concerns. Chronic Kidney Disease: Stages, Treatments & Nutrition Hacks Life Extension IV Glutathione is NOT FDA approved for skin lightening