Glutathione is indeed the master antioxidant and is found in every cell in the body. It is made from the amino acids glycine, cysteine, and glutamic acid. . One unique thing 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: Changes in ferrous iron and glutathione promote ferroptosis and frailty in aging Caenorhabditis elegans eLife Apoptosis and glutathione: beyond an antioxidant Cell Death & Differentiation