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 Is Tylenol Safe During Pregnancy? Risk Factors, Not Causation Early life acetaminophen exposure, glutathione S transferase genes, and development of adolescent asthma in a high risk birth cohort Journal of Allergy and Clinical Immunology Parents are rightly confused about vaccines, Tylenol, and autism right now. They just want to do what's right for their kids. Here's what to know: Vaccines are safeno link to autism A Possible Antidote for Tylenol (Paracetamol) Overdose American Council on Science and Health