The net carb count, calculated by subtracting the ... followed by stovetop prepared," says Dieras. Air-popped popcorn is the ...

One cup of plain air-popped popcorn—without butter, salt, or other toppings—contains about 30 calories, according to the U.S.

The nutritional analysis tells the story (take note of the fiber and vitamin and mineral content): Trouble is, there's a catch when it comes to plain, air-popped popcorn: Does the word "cardboard ...