Naturally and artificially flavored. 90 calories per bar. enjoy a delicious way to manage your weight. Flavorful cinnamon and crisp praline pecans are in every bite of this 90 calorie snack bar. Plus, the light textured, crispy flakes of Kellogg's Special K cereal makes this deliciously simple bar a real delight. The difference is K. Exchange: 1 Carbohydrate. The dietary exchanges are based on the Exchange Lists for Meal Planning, Copyright 2003 by the American Diabetes Association, Inc. and The American Dietetic Association.