Elite 12 Hour Meal Replacement is designed to be the ultimate high performance muscle fuel and prolonged recovery formula. Knowing that protein helps fuel the body throughout the day and helps to repair muscles after a workout or other activity. Dymatize developed a Protein Matrix that took recovery to the next level. They combined this revolutionary Protein Matrix with a thorough Vitamin and Mineral Blend, a complete Lipid blend, and advanced fiber compound as well as added digestive enzymes to create the ultimate meal replacement products. After a battery of tests and trials, Dymatize has developed a calculated protein timing system that they call Sustained Muscle Saturation Technology SMST. How does SMST Work Different protein have different chemical compositions and different rates at which they can be assimilated by the body. By developing an absorption time-line of the highest quality proteins, they were able to create the basis of the 12-hour formula. they added the advanced enz