What Is My Metabolism?

Find out now if your metabolism is sabotaging your body and what you can do about it.

Your metabolism is the whole range of chemical reactions in your body's cells that turn the food you eat into living tissue, energy, and waste products. Your metabolism is a combination of two processes:

  • catabolism, when food is broken down into simpler components. This is accompanied by the release of energy that heats the body, enables the body to move and provides fuel for anabolism;
  • anabolism, when the body uses the energy released as a result of catabolism to make new cells, maintain body tissues and store energy for future use.
Your daily calorie burn is affected by how much you exercise, the amount of fat and muscle in your body and your basal metabolic rate (BMR). 
These two complementary metabolic processes are controlled by systems of hormones which switch your body from anabolic to catabolic mode and vice versa.


One result of this metabolic switching system is that your body gains or loses weight.

Your BMR is the speed at which your body burns up energy (calories) while at rest. This can determine your tendency to gain or lose weight.

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