All you have to do is PRE HYDRATE, you know BEFORE you get intoxicated, just like how carbo loading works, get the H20 into your body before you go out partying and socialising and you'll notice the difference! The result? Your liver doesn't shut down after/during drinking so no hangover!
You'll be more productive, enjoy hassle free nights, not get sloppy drunk and do something you might regret in the morning that you then have to deal with and your life will be more brilliant!. Prehangover cure - BEFORE WHEN IT HAPPENED!