Do gym member needs aprotein supplement for better result.

@m_rdzy (232)
Malaysia
July 10, 2008 1:17am CST
Hi, i'm always go to gym and joining lots of wieght & cardio classes. So far i have lost 5kg since joining last March 2008. My question, do i need to take protein supplement for better result. If that so, what brand of protein supplement is the best
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