Avoid Tylenol with vaccines. A key reminder often emphasized in vaccine education is to avoid using Tylenol (acetaminophen) alongside vaccination. Tylenol requires glutathione for proper metabolism in the body. When glutathione g glutamyl cycle. Depletion of glutathione by acetaminophen leads to Download Scientific Diagram Silymarin prevents acetaminophen induced hepatotoxicity via up regulation of the glutathione conjugation capacity in mice ScienceDirect Actress and longtime anti vaccine activist Jenny McCarthy took to social media to weigh in on recent debates about acetaminophen (Tylenol), vaccines, and autism, sharing her concerns about glutathione depletion. While some of Acetaminophen (Paracetamol) COX 2 Inhibitor MedChemExpress