Gun Slinger is a High-Stim Pre-Workout. 6Gr of Citruline Malate, 3gr of Beta-Alanine and 375mg of Caffiene when using 2 scoops. Take only 1 scoop at first to assess tolerance. Gun Slinger stays true to giving you that nasty pump feel you need in the gym to be the most wanted outlaw in fitness…. Servings per container: 20/40.MUST BE 21 TO PURCHASE