Glutathione Calgary Peptides (PC) Is Tylenol Safe During Pregnancy? Understanding Risk Factors Seeking Health 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: Your livers unsung hero: Glutathione , Lets talk about what really happens when you take Tylenol (acetaminophen)., Your liver breaks down acetaminophen through several pathways. One pathway creates