What is basal metabolic rate?

Dr. Andrea Pennington, MD
Integrative Medicine
Basal metabolic rate is the amount of energy expended while at rest in a neutrally temperate environment. In other words, your basal metabolic rate is the number of calories that your body would burn if you remained in bed all day.
Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
Every function of every organ in the body relies on the energy provided by the metabolism of calories. How much energy you need on any given day depends on what you are doing, what you ate, and the state of your health. The basal metabolic rate (BMR) refers to the minimal amount of calories you need to live. Some people need only 1,200 calories, while professional athletes may need 2,000 or more.
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Resting metabolic rate is the amount of daily energy your body needs to sustain life, including blinking, thinking, breathing, and maintaining the functions of your internal organs.

Use a calculator to get an idea of your RMR, but rember the calculator is a tool for providing just an estimate of your RMR. To estimate your RMR go to:


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