Optimum Nutrition, 100% Casein Protein, Chocolate Peanut Butter 2 lbsProduct Description Optimum Nutrition's 100% Casein Protein is a slow digesting protein source that provides a steady release of amino acids for muscle recovery and growth. Perfect for consumption before bed or in between meals, this premium formula supports muscle repair during sleep and prolonged periods without food. The rich chocolate peanut butter flavor delivers a delectable taste experience, while the high protein content helps to curb hunger