Optimum Nutrition, 100% Casein Protein, Chocolate 2 lbsProduct Description Optimum Nutrition's 100% Casein Protein is crafted from high quality micellar casein, which digests slowly to provide a sustained release of amino acids to your muscles during periods of extended inactivity, such as overnight. This protein supplement is ideal for nighttime recovery or for use between meals. The rich chocolate flavor satisfies your sweet tooth while delivering the necessary nutrients to support muscle growth and