Glutathione and Autism The Autism Doctor 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, Tylenol concerns around autism are overblown, says Dr. Ashish Jha Tylenol, Autism, and Leucovorin: What Parents Need to Know. 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