Well, Dirk was nice enough to send me out a hefty sample pack of AN's new RPM, and I've taken 3 doses so far. 4 caps preworkout each time. This stuff doesn't make you feel focused or jittery like most of us like from a stimulant... This is different. Perfect preworkout supplementation. It gives you energy to get in the gym and makes the workout super enjoyable and strong. I hate taking intense stims before the gym because it makes me feel weird, but this hit the spot for sure. I will deifnitely be picking up a bottle for sure.