Other then the exercising and drinking water normally...IMHO...all the extra is for peace of mind. YOu have time to buy test strips online CHEAP on EBAY! Test yourself every few days. You sound like you have done your studying with the last couple of days. Eat high fiber/high fat and to be as LAZY as you can.

IF you are still dirty on test day I would suggest doing the dilute. Most of the detox drinks are primary expensive and have you to drink lots of water to go with their "drinks" or "pills" (which you can get your own stuff CHEAPER at a health store). I am not too familiar with the drinks but I have heard some places are able to test for alterations in the drinks. That's why most say the dilution is best...and more natural....and cheap.