Weightlifters usually take a "pre-workout" which is suppose to basically give them energy. its almost like taking redbull in a way. but this supplement isnt for everyone. some people get a really upset stomach and also can cause diarrhea
Repetitive motion can cause injury . true
I believe that it creates shocks to try and start the heart up again after a heart attack. (why the sticky pads are put with the heart in the middle)
