Chewy bars. 4 g protein. 4 g fiber - 3 g of total fat. 110 calories. Enjoy the nutrition you need to help stay on track, now in a delicious granola bar. Kellogg's Special K Protein & Fiber granola bars combine 4 g of protein and 4 g of fiber with the dark chocolate goodness you crave. A snack that brings so much more to the table. Good source of protein, 10% daily value or more per 40 g (1-1/2 bars). Exchange: 1 carbohydrate, 1/2 fat. The dietary exchanges are based on the Choose Your Foods: Exchange Lists for Diabetes, 2008 by American Dietetic Association and American Diabetes Association. Visit kelloggs.com.