This potent stack gives you all the muscle building blocks of the Advanced Muscle Stack, but adds more convenience in greater portability.By replacing SYNGEX® with convenient Protein Rush™ Shakes;, a quick easy shot of muscle building protein is always on hand. In the car, at work, or in your gym bag, keeping Protein Rush™ Shakes and ZERO IMPACT® bars will never have you searching for the advanced nutrition you need between meals.
