The parent compounds of acetaminophen (US market in 1955 in the US as Tylenol and other products) were first discovered in 1886 (acetanilide) and 1887 (phenacetin). These were the earliest synthetic fever A Possible Antidote for Tylenol (Paracetamol) Overdose American Council on Science and Health Does Acetaminophen Deplete Glutathione? Understanding the Connection Cymbiotika CYMBIOTIKA Acetaminophen induces liver injury and depletes glutathione in mice brain: Prevention by Moringa oleifera extract ScienceDirect Yes there is good evidence that acetaminophen (the active ingredient in Tylenol) can deplete glutathione under certain conditions. But whether that matters depends on dose, duration, and individual factors. Tylenol's Impact on Glutathione and Liver Damage