How many times have you been led to believe one thing and then research came out showing the opposite?  Truth be told, it happens all of the time.  And when it comes to supplements and exercise, well, it's no exception.  To put a fallacy to bed once and for all, let's do a little myth-busting when it comes to caffeine and the thought that it causes your blood vessels to constrict and can negatively impact your pump, blood flow, and your workout.
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