Lowest in Fat

• There are few low-fat microwave popcorn products on the market. The lowest fat popcorn packets hold 1 to 2 g of fat and 45 to 60 calories to a three-cup serving.
  
  

400 Calories

• A three-cup serving can be equal to less than 1/3 bag of microwave popcorn. A three-cup serving of a caramel- or sugar-coated popcorn treat is 400 to 500 calories and 35 g of fat, which is detrimental to a dieter who is eating 2,000 calories a day.
  
  

Sodium

• One cup of microwave popcorn can have 40 to 137 mg of salt, which is about 6 percent of the recommended daily intake. An entire bag of popcorn can hold three to five one-cup servings or more, taking up a portion of the acceptable 2,000 mgs of salt intake for a day.
  
  

Vitamins, Minerals and Fiber

• Vitamins A, E and K, and several minerals are found in a serving of popcorn. Popcorn is an excellent source of fiber that can help in the digestion and elimination process.
  
  

Nutrition Information

• The nutrition panel is located on the outside of a microwave popcorn box. Be aware the nutrition information might be based on a one-cup serving and there can be several cups in one microwave pouch.