Popcorn is a healthy, whole-grain snack. Plain, air-popped popcorn is low in fat and calories. It’s also rich in fiber and antioxidants. Popcorn is smart for those looking to lose or maintain a ...

Three cups of plain popcorn has 93 calories, 3.6 grams of fibre, 3 grams of protein, 18.6 grams of carbohydrates and 1.1 grams of fat. Popcorn also has a low glycemic index, so it can help ...