CON-CR?T® Creatine HCl transformed the sports nutrition category and is more soluble than all other creatine derivatives. Because of Micro-Dosing®, CON-CR?T® provides all the benefits of creatine without the unpleasant side effects. Micro-Dosing® is based on your body weight and workout intensity. Your body needs creatine to build muscle, energize your cells, and strengthen your immune system.