The Use of Tylenol in Pregnant Women and a Child Diagnosed with Autism or ADHD Heninger Garrison Davis Tylenol can lower the body's key antioxidant, glutathione, though this isn't seen on routine labs. But mechanistic data clinical proof, so we still need good trials. The Tylenolautism link isn't clear. Crunchy Moms' Have Stayed Away from Tylenol for Years WSJ Exploring the Tylenol Autism Lawsuit Brighter Strides ABA