If your child has autism, ADHD, or a learning disorder and you've already removed dairy and folic acid but still aren't seeing progress don't give up. It usually means something else 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. AUTISM supplements: Do you really know what's inside your child's supplement? For many autism parents, choosing the right supplement can feel confusing. Every day, there are new recommendations for autistic children, Glutathione for Autism: Exploring the Potential Benefits and Limitations