Alternately there's NAC, which anecdotally I can say is a miracle if you're expecting to do a lot of drinking, and has some generally good reputation for this purpose and others (including, generically, as a nootropic).

It's a key ingredient in a lot of those commercial pre-drinking drinks. Cycteine itself is used as a combatant against Tylenol poisoning and it accelerates metabolism of acetaldehyde (at least in rats).