Acetylcysteine isn't magic though. It needs to be administered within 12h and 5% will have a severe anaphylactic-type reaction with risk of respiratory arrest.

Acetylcysteine isn't magic though. It needs to be administered within 12h and 5% will have a severe anaphylactic-type reaction with risk of respiratory arrest. And the liver can still have been irreparably damaged due to other factors. In the context of this being a miserable way to kill yourself, it's absolutely awful because there is very much a cut off point where you will still be suffering immeasurable pain and no amount of NAC will save you.