Researchers are studying a possible link between acetaminophen (Tylenol) use during pregnancy and higher autism or ADHD risk. It may lower glutathione, an important antioxidant for brain development. Myth 4: Oral supplements are just as effective as IV drips., Lets set the record straight., While oral glutathione supplements may seem convenient, they often lose potency during digestion, meaning Frontiers Potential adverse actions of prenatal exposure of acetaminophen to offspring Taking Glutathione Supplement? Here's What You Should Avoid