Tweaker energy drinks provide an extreme kick of energy in a 2 oz shot! Each box contains 12 energy shots with 2 servings in each shot. The grape taste doesn't compare to that of the competition! Tweaker is an extreme sports drink with zero calories, zero sugar and zero carbs. Once you try Tweaker, you'll find that it is the strongest, most effective boost of energy you can get! Tweaker gives you 6X the energy at a much lower cost than the competition!