But i play college football and the Ncaa bans even legal sh*t such as ephedrine, too much caffeine in blood stream, and of course steroids. So i guess i should of rephrased that question and said: Around how long does it take for metabolites of kynoselen to get out of your system? I know most of it is vitamins and minerals anyway but there is a main ingredient which (i think) is called adenosine Triphosphate or something,