umm... i think its been said befor... but one thing all of those detox drinks have in common is the fact that they say "drink X-amount of water" i would just say drink a bunch of water, the day of the test, and drink any energry drinks with B12 in it.... wired X B12 rush has like 3000% of the recomend dose, based on a 2000 calorie diet.... just yea, drink some water, and a wired that comes in the green can... piss a few dosen times... youll be good...