Quote:
Originally Posted by Splinter88
Niacin, buy it at GNC for around 5-7 dollars.
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Niacin has been shown to work on occasion. Byrd Labs tests conclude that niacin doesn't work at all. In other words, something else probably caused a negative, not the niacin.
http://www.ureasample.com/pass_a_dru...st_7-11b.shtml
listed above is a website that says what may work and what doesnt..
good luck im going to take mine today, wish me luck!