The headline Tylenol causes autism has sparked concern. But the science tells a more nuanced story. Some observational studies have found that when pregnant women used more acetaminophen, their Mark Hyman, Acetaminophen causes neurodevelopmental injury in susceptible babies and children: no valid rationale for controversy I'm not suggesting that there's a definitive link between Tylenol and autism, but it 100% depletes your body of glutathione, and enough studies have shown that it should only be taken when 79. Tylenol, Leucovorin, Glutathione, & Autism Autism Dietitian