Tasty Gourmet Protein Shake With Fruit/Chocolate Pieces Inside! We offer you these tasty shakes in many great flavors that are high in quality protein. Each flavor of Protein Delite contains dried fruit pieces or chocolate bits. Protein Delite"s protein source contributes to the maintenance and growth of muscle mass and also to the maintenance of normal bones. Protein Delite contains milk proteins, including whey and casein, both so-called complete protein, because they provide the body with all necessary amino acids, including the 9 amino acids (i.e. Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, Valine) that are considered essential for life, because the body cannot synthesize them.