Very easy to eat and not much in the pack for adults. Probably best suited as a healthy addition to kids' lunch boxes. 25/01/2021. As a whole grain, popcorn is high in fiber, which is good for digestive health and promoting regular bowel movements. According toTrusted Source the United. Healthy Eating Help: Is Popcorn Healthy? If popcorn is your go-to snack, you're in luck: Popcorn can be a great addition to your healthy diet. Just as long as.