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. Can Glutathione Cause Skin Cancer? Understanding the Risks and Benefit Route2Health Glutathione IV Therapy: What You Need to Know COEM Application of glutathione depletion in cancer therapy: Enhanced ROS based therapy, ferroptosis, and chemotherapy ScienceDirect