Casein-FX is a revolutionary approach to keeping your system fueled with a constant flow of muscle-building amino acids. Casein-FX has a perfect blend of 100% pure Micellar Casein and Calcium Caseinate to provide an ideal ratio that provides up to 7 hours of protein digestion. It is fortified with an amino acid complex of growth and speed recovery. Casein-FX provides a convenient, easy-to-mix and delicious way to keep your muscles fueled with a constant flood of amino acids. It is a fat-free and low-carb formula that will help you reach your goals.