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.

Continue Learning about Calorie Restriction and Weight Loss

how does caloric intake reduction help extend human life ?
Discovery HealthDiscovery Health
You want to lose weight and keep it off And you want to live longer.Severely restricting your calori...
More Answers
will i have to restrict my calorie intake in order to lose weight ?
Restricting calories alone is not the best way to reach your weight loss goals. Research has shown c...
More Answers
how can i lose weight and still consume high calorie foods ?
Jeff Croswell , NASM Elite TrainerJeff Croswell , NASM Elite Trainer
What you have to remember if you want to consume high calories foods you still need to burn more tha...
More Answers
want to lose weight ? keep track of what you eat
want to lose weight ? keep track of what you eat

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.