What is calorie expenditure?

The calories you burn or use each day is also known as calorie expenditure.

It includes the following three components:

  • Resting energy expenditure. Which refers to the calories your body uses during rest for functions such as breathing and blood circulation.
  • Thermic effect of food. This involves the calories your body uses while digesting, absorbing, and metabolizing food.
  • Activity energy expenditure. This refers to the calories you expend during sports like exercise and non-exercise related activities like performing household chores.

If you provide your body fewer calories than it needs to support these three components of calorie expenditure, you put your body into a caloric deficit which results in weight loss.

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