Whats a good supplement to build muscle that i can get a GNC or Vitamin World?

Amino Acids. Especially Arginine and lycene. I heard Glutamine helps, too. Amino Acids in general. BTW, did you know chocolate is an excellent source of arginine? :p
 
whey protein, creatine is NOT bad for you its in our body naturally.... all you gotta do is stick to a one month on and one month off creatine cycle
 
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