Ph D Fitness Overview Probably the most talked about pre workout in supplement history, Jack 3d is back & has been modified with a new advanced formula. Specifically designed to give you more energy, focus & improve training intensity. Known globally as one of the most potent pre workouts ever made. Not for the faint hearted! Highlights- Contains Creatine- Made with Caffeine for increased energy levels- Made with Beta-Alanine- Designed to increase levels of focus & intensity- Probaly the most popular pre workout supplement ever- Ultra concentrated formula