Honestly there is no fast way, you have to drink lots and lots and lots of water along with coffee, other than that its best to buy a detox drink and that will clean you out completely
The BEST thing so far is cranberry juice....And I'm talking about a whole lot of cranberry juice.....Anytime you thirsty drink cranberry juice....It works...
Monster energy
If you excercise and drink a lot of water and cranberry juice you can detox your system quite quickly. Also if you really need them there are detox pills and drinks you can buy from GNC, or tobacco shops.
I use niacin and then I play basketball to clean my system with lots of water