ANTIOXIDANTS!!!!! green tea, or whatever tea. most have em...i get piss tested b/c im on probation and i passed 3 days after i smoked for about 3 or 4 days in a row. but i am also small...5'2 about 125 pounds but i didnt drink any antioxidants, but i started drinking green tea like a mad man.haha ) try it..it may work for you..but everyones body is different.