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. 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 Examining Glutathione Injection Skin Whitening: Before And After HSA updates on products found overseas that contain potent ingredients (March 2024)