Since everyone is talking about Tylenol let's actually talk about Tylenol. No, it doesn't cause autism But here's what it can do: Deplete glutathione: one of your body's most CJC 1295 Ipamorelin Dosage Guide Evidence that acetaminophen triggers autism in susceptible individuals has been ignored and mishandled for more than a decade. Researchers are studying a possible link between acetaminophen (Tylenol) use during pregnancy and higher autism or ADHD risk. It may lower glutathione, an important antioxidant for brain development.