Muscletech Vapor X5 is an explosive, game-changing pre-workout powder that will redefine the results of your training. Vapor X5 is your all-in-one source formula for more lean muscle, strength, energy, focus, and insane muscle pumps. It includes powerful muscle building ingredients to help you pack on size, including creatine monohydrate — the most researched form of creatine — combined with betaine. Test subjects who supplemented with the exact 2.5g dose of betaine in 2 scoops of Vapor X5 built 3.75 lbs of lean muscle in 6 weeks compared to 0.66 lbs by the placebo group. That’s over 4x more muscle.