I don't think any... Maybe you are referring to vitamin B, which is supposed to make your urine more yellow. That comes in handy when diluting, that way your urine is not clear and obvious that you drank water so drugs wouldn't show up.

For future reference, there is a "drug testing" forum with lots of info on that stuff, good luck!
Frivolous248 Reviewed by Frivolous248 on . what vitamin is it what vitamin is that cleans out your system :pimp: Rating: 5