bluecharge has it right on the money medistar labs is crap everything they run is under dosed shit if your paying half price for what everyone else buys it for then there must be something wrong with it think about it the guys who are making it must make a profit so what they do is sell a few over dosed bottles to start then when people think its gods gift to bodybuilding they cut it in half and sell to every little high school kid who knows nothing i have tried there shit and iv had it tested its garbage don't bother with it waste of time and money !!!