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What is a calorie?

A calorie is a unit that represents the amount of energy provided by food. Carbohydrate, protein, and fat are the primary sources of calories in the diet, but alcohol also contains calories. If all calories consumed aren’t used as energy, they may be stored as fat.

Calories provide a measure of the potential energy in the food that we eat. They measure this energy in the form of carbohydrates, fats and proteins.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.