One Response to “Do fat burners (such as xenadrine, hydroxycut) affect performance for athletes, specifically rowers?”

1. ? says:

   May 14, 2009 at 1:21 pm

   Both contain a large amount of caffeine/guarana. That gives a boost of energy for several hours.The negative effects would be the crash when you come down from it, maybe a headache,nervousness, and irritability. Some have absolutely no problem tolerating it.