High protein to help build lean muscle. Artificially flavored. Milk chocolate flavored coating. Meal on-the-go 190 calories. Helps control hunger; 15 g protein; 21 vitamins & minerals. Research has shown that diets high in protein and dietary fiber are satiating. Slim-Fast High Protein bars are high in protein (15g). When consumed as part of a diet rich in protein and fiber like the Optima Diet, High Protein meal bars contribute to hunger control.