quit smoking 48 hours minimum ahead of time drinks lots of water up intil the test but drink the detox 2 hours before put water in empty detox bottle cap shake drink drink more water piss a few times take 2 b-12 vitamins for piss color piss a little in the bowl middle in the cup end in the bowl u should be good. i like to use ready clean get the red it taste the best
good luck its worked for
