Originally Posted by Dunerdr
I did that taking adrenolyn pre workout-http://www.blackmarketlabs.com/store/products/adrenolyn-bul/
I really hope you paid nothing near that for that pre-workout. There is nothing special in there and more than likely you just felt the insane amount of 300mgs caffeine! Caffeine...most underrated performance enhancer you can get for cheap.