It's a dangerous habit because the pre workout is going to boost your heart rate to possibly unsafe levels. For example if your max hr is 190 and you are reaching that when sprinting but because you have the pre workout Sunni g through your veins you'll be pushing your max hr to 214 which may cause a heart attack
Ok, I get the heart attack risk, but will doing that make my abs show faster?
Take powder and not even know what the fukk it is until after you take it brehs
Driving all night is a bytch, especially on 3 hours of sleep. Yolo.