For the snack lover in you, we've got even better news. You can go even lower. Sugar-Free Jell-O is just 10 calories. Granola bars come in at 90 calories, while mozzarella string cheese is just 80 calories. {relatedarticles}And there's no substitute for a satisfying cup of nonfat yogurt that is 80 calories and just the perfect amount of sweet to quell your cravings. For another snack that goes down smooth, invest in a cup of goodness, as in sugar-free pudding cups that are 60 calories. Before you reach for a snack, remember that there are plenty of low-calorie, low-fat snacks at your fingertips. It's up to you to get smart and choose the light ones.