Kellogg Company, Battle Creek, MI, has launched Special K Protein Shakes, the brand’s first weight management product. Each ready-to-drink, meal-replacement shake contains 10 grams of protein, 5 grams of fiber, vitamins A, C, D and E, as well as other nutrients such as calcium. French Vanilla and Strawberry flavors contain 180 calories, while Milk Chocolate contains 190.