The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs Tylenol, Autism, And The Glutathione Connection OC Integrative Medicine 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: Acetaminophen Induced Hepatotoxicity: a Comprehensive Update