Question by IGT: Do fat burners (such as xenadrine, hydroxycut) affect performance for athletes, specifically rowers?
What are its negative effects, if there are any?
Best answer:
Answer by ?
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.
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