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 Here's how to make Tylenol work way better Dose it correctly: 1,000 mg at a time, spaced every 8 hours. Smaller doses don't control pain as well. Take it Exposure to acetaminophen and all its metabolites upon 10, 15, and 20 mg kg intravenous acetaminophen in very preterm infants Pediatric Research Silymarin prevents acetaminophen induced hepatotoxicity via up regulation of the glutathione conjugation capacity in mice ScienceDirect