3 ms·

4000mg in a 24 hour period.

• tptacek 6y ago
  That's true, but the half-life is apparently 2 hours (if you have a normally-functioning liver). I don't want to downplay it, I just felt like "50%" sort of suggested a single extra Tylenol might kill you, which is very unlikely.
  • refurb 6y ago
    Yes, but Tylenol’s toxicity is due to glutathione depletion. Your body can handle the toxic metabolites with no issue, as long as there isn’t a lot of them. Once you’ve depleted your liver’s glutathione stores (too much tylenol, too much alcohol, not enough food to replenish glutathione) then the Tylenol becomes very toxic to liver tissue.