Why You Need To Avoid Tylenol Before and After Vaccines I used to call this my vaccine detox protocol, but I think vaccine prep is better suited. So we're doing a little update, and this time with a functional FNP!!! @jess_np_complete_renewal Nini Munoz , PhD. Since the administration claimed Tylenol as a cause of autism, we've seen a number of alternative and 'integrative' practitioners talking Instagram Myth busting, Acetaminophen version. "Avoid Acetaminophen (Tylenol) because it causes glutathione depletion". Truth?? As a pediatrician and ER doctor and as moms we're often asked about this. And we understand why: