Core Champ RdxCORE CHAMPS RDX has been formulated with the worlds most powerful ingredients in their full clinical doses in order to master the major critical power output systems in your body. RDX the strongest pre workout provides a long lasting energy , skin splitting muscle pumps, improved focus, and more strength to carry out high intensity workouts. Its fueled by 8. 9 gram of CORE RDX Blend (proprietary) which make it more advanced pre workout to deliver a