A "calorie snack" refers to a type of food or snack that contains a limited number of calories. It is meant to be a smaller, more controlled portion size to help people watch their calorie intake while still enjoying a snack.
These remind me of those little low calorie snacks so many companies make now. (rawon10.com)
So in theory, you could enjoy five 100 - calorie snack packs as long as it fits into your daily total, even though they have zero nutrients. (thehormonediva.com)
Adding high calorie snacks to their day is a great way to pack on the pounds. (parentingsquad.com)