Hi-Tech Pharmaceuticals Jack'd Up is an ultimate pre-workout formula that gives you all the aggression you desire and ability to lift more weight, pump out more reps and have incredible and long-lasting energy, along with enormous muscle-engorging pumps. No crash, no bloat, no headaches, no disappointing workouts. This advanced pre-workout blend contains 4 different forms of creatine to aid in muscle growth and muscle fullness .... Creatine Nitrate, Creatine HCL, Disodium Creatine Phosphate, and Creatine Monohydrate ... the most potent combination of creatine series compounds you will have ever taken.