Musclepharm micellar casein is the ideal protein source for pre bedtime consumption casein protein is digested slowly over a sustained period of time up to seven hours thus supplying your muscles with the amino acids required to synthesise muscle tissue facilitating repair and growth product highlights delivers an anti catabolic effect to help retain muscle tissue is formulated with 100 micellar casein protein to provide muscle nourishment during sleep contains an added digestive enz