MACH 9 is an extreme preworkout formula that delivers mind blowing energy, razor sharp focus, and sustainable endurance levels to help you blast through the most intense workouts.
About died of a heart attack in the gym.. hands were non stop shaking and heart was going 240.. .i thought i was a high stim person but this totally changed my mind...I'd use half a scoop for best results.. .hands still shaking and im a hour and a half into a hard core work out
