Core PRO is a clinical-strength, sustained release protein formula, specifically designed to keep you fueled with the right growth/recovery agents over extended periods of time. This innovative blend provides the perfect arrangement of both fast-uptake and sustained-release proteins, from superior cold-processed whey proteins and micellar casein-rich milk protein sources. This strong synergistic blend helps promote optimal growth and recovery by providing the vital building blocks your body needs, exactly when you need them most.