Precontest caffein and natural diuretic

[FitModel]

My coach told me to find a natural diuretic to use pre contest. day of and 2 days before (so for 3 days total)

I notice some have caffein, I don't see that as a problem except for the day of the show due to vaso constriction caffein causes, is that correct?

Do most guys avoid caffein the day of? Or can someone recommend me a good OTC diuretic (maybe just dandelion and uva ursi?)

[Miss Q]

http://www.lacilebeau.com/