Popcorn is a good source of dietary fiber, providing 3-4 grams per serving, or nearly 15% of the daily amount adults need, per the USDA. The fiber in popcorn helps with satiety, or keeping you ...

And popcorn can hit its expiration date whether it’s in unpopped or popped form. Popcorn that has extra stuff on it—caramel, nuts, even just butter—has more opportunities to go bad.