you guys, i need a quick detox solution for a drug test for a job. my best friend told me to use Niacin, a supplement thas a natural detox for your body. he said his bro has used it alot of times and he is a heavy smoker, everyday...and its worked for him everytime and also for another friend of ours. i only toke out like at the most once a week. does it work>? other people say it doesnt...but my friend has seen it work many times with 2 different people. whats up with that?