ive taken this stuff before and passed the day after i smoked...im not sure if it was the stuff or different pills in the ariborne container. but yeah i heard lots of herbal/dietary supplements help clean your system and shit, and this stuff has worked for me before. the only problem with taking alot of it is it makes you piss out ur ass >.< but i guess thats your body getting rid of the extra stuff and bad stuff. i dont know i started this thread kind of asking if anyone knows about herbal cleansing and shit but i kinda forgot where i was going with it haha. but yeah...