High-Quality Protein Supplement - Great Tasting Flavor * Higher Amino Acid profile than Whey * Awesome muscle-sparing protein * Strong anti-catabolic effect not noticed with fast digesting whey protein * Best form of protein for evening use An athlete’s worst nightmare is that his hard-earned muscle is being broken down in his sleep. Pure Casein™ Protein, has a long-term effect in suppressing protein breakdown which your body needs to sustain for six to eight hours during your sleep without food. In fact, a total release of amino acids in the bloodstream can last as long as 7 hours after ingestion of casein protein! Whey Protein, in comparison, reaches a peak in blood amino acids and protein synthesis in about forty minutes and the total release ends in about an hour. In other words, it’s an awesome muscle-sparing protein.