What Taking Glutathione Can Do for Your Body During Chronic Illness Initial Glutathione Depletion During Short Term Bed Rest: Pinpointing Synthesis and Degradation Checkpoints in the Glutamyl Cycle 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: Frontiers Cysteine Depletion, a Key Action to Challenge Cancer Cells to Ferroptotic Cell Death