This page will collect all information on use by endurance athletes.

Also forgot to tell you that on my 11.5 km run I ran it around 6 minutes quicker while I was taking the carao. It just sort of clicked the other day when I was trying to work out why I did better times a few weeks ago and not now. So that motivated me to send for another six bottles. Really appreciate your offer to upgrade my order. Will let you know what the…

I am curious how Carao actually increases RBC/hematocrit.  I am a female athlete and am concerned I will "test positive" for some unknown "blood doping" product if I am tested at an event.  As an older athlete I figure carao helps to offset the ravages of induced anemia but would hate to think I am "cheating".  USADA has lists of things which are banned, of course cassia grandis isn't there but perhaps a component of…