Hey guys...just wanted to let all you know that N2KTS by Need to Build Muscle Inc. is absolutely amazing. As soon as i take it i am amped to go the gym and kill the weights and nothing else, my focus and stamina are through the roof and ive yet to have a bad or anything short of amazing workout on it and im almost done with my first tub. For all of you out there looking for a great pre-workout, look no more N2KTS is definitely your answer.