Stimpact is the all-new high stim pre-workout from Purus Labs. Featuring a 4.8g blend of a multitude of stimulants and beta-alanine for endurance, Stimpact could be your most intense workout experience. With other pre-workouts, you never really know what you are getting with all of the different ingredients included. With stimpacts, besides the 2g Beta Alanine, it is literally all stimulants and focus enhancers. Optimally Stimpact is taken with Purus Labs Noxygen for a superior workout experience.