Metabolism Guide: How to Calculate BMR, RMR and Boost Energy

Metabolism determines how many calories your body burns at rest through BMR and RMR. Understand how age, thyroxine, and pregnancy affect your metabolic speed and energy levels.

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What Does Fast Metabolism Mean?

Metabolism refers to the collective chemical processes that convert food into energy. Similar to gas for your car, food is your body's fuel. If you have a fast metabolism, your body lacks fuel efficiency.

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How to Increase Your Natural Melatonin Production

The pineal gland, deep in the brain, is responsible for the production of melatonin, and adequate levels of melatonin are necessary for restful sleep. The body produces between 5 and 25 mcg of melatonin each night, according to the book "Melatonin."

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How Does Thyroxine Increase the Metabolic Rate?

Thyroxine is the main hormone produced by the thyroid gland and what controls the body’s basal metabolic rate (BMR). A person's basal metabolic rate refers to the minimum number of calories he needs to survive in the absence of any activity.

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How to Calculate BMR & RMR

Your metabolism consists of the energy you use to exist, perform daily functions, exercise and digest food. Basal metabolic rate and resting metabolic rate are two different measures that tell you how many calories you burn without any extra daily activity -- as if you were lying in bed all day. You may see the terms "

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How to Detox Your System's Metabolism

Trendy detox diets are meant to help your body rid itself of harmful substances. Your metabolism is your calorie-burning system. While certain diets may affect your body's metabolic rate, you cannot "detox" your metabolism; however, low-calorie detox diets may slow it down.

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At What Age Does Your Metabolism Slow Down?

According to the National Institutes of Health, metabolism is the name for the process your body uses to convert the food you eat into energy. The energy your body does not use is stored as fat. Many people believe that this process slows as you age, causing weight gain.

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What Is Monolaurin?

Monolaurin is a mono-ester that is formed from the combination of glycerol and lauric acid. It is mainly used as microbicide, which is a substance that reduces the infection ability of microbes (or microorganisms) such as bacteria, viruses and fungi. Monolaurin is also called glyceryl laurate or glycerol monolaurate.

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How Many Calories Does It Take to Maintain 170 Pounds?

The number of calories it takes to maintain your body weight depends on a variety of different factors, including age, gender, body composition and activity level. You can use a general formula to get an estimate, and then modify your calorie consumption based on whether your weight changes or stays the same.

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How to Calculate BMR Manually

Your basal metabolic rate, also known as your BMR, is your minimum calorie expenditure rate, the rate at which you must expend calories in order to stay alive. Your BMR assumes you’re in the post-absorptive phase of digestion, meaning you aren’t actively digesting food.

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Can Any Supplements Slow Down Metabolism?

If you're naturally thin, chances are you have a high metabolism. And while your metabolism makes it easy to avoid packing on excess pounds, it can actually get in the way of your results if you're trying to gain weight.

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Does Your Metabolism Speed Up During Pregnancy?

During pregnancy your body is changing in ways you may have never imagined it could change. One of these changes is an increase in your metabolic rate. During pregnancy, you and your growing baby are relying on the nutrients that you consume for health and energy.

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Does Not Eating Slow Your Metabolism?

To lose weight you need to eat less, so skipping meals or eating little or nothing for a day may seem like a good idea. But not eating intensifies your hunger, and regularly eating too little or skipping meals can slow your metabolism.

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How Many Calories Do I Burn a Day by Just Existing?

The number of calories your body burns each day simply existing depends on myriad factors including body fat, muscle mass, gender, age, hormones and overall health. This number can be calculated and is called basal metabolic rate, or BMR.

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Brain Fog & Your Metabolism

If you find yourself feeling groggy, confused or feel like you have a lack of mental clarity, you could be suffering from brain fog. Brain fog may also be related to your metabolism.

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5 Things You Need to Know About Acetylcholine

Acetylcholine is an excitatory neurotransmitter that conducts electrical impulses through a series of actions, making it possible for nerve cells to communicate with muscle cells and generate muscle contractions.

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How to Slow Down Your Metabolism and Gain Weight

If you want to change your weight, there’s good news: your metabolic rate isn’t fixed for life. Metabolism can and does change over time, and you can take steps to speed it up or slow it down. If you intend to start gaining weight, see your doctor before you begin to hammer out details of a healthy plan to follow.

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Does Fasting Speed Up Metabolism?

Losing weight requires you to eat fewer calories than you burn, so it seems logical that eating no calories would lead to the quickest loss. Fasting, however, does not speed up your metabolism -- and may actually backfire by slowing down your metabolic processes to compromise your ability to successfully drop pounds.

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What Is the Role of ATP in Metabolism?

ATP is short for adenosine triphosphate, a crucial chemical in human metabolism that has been called "chemical currency" because the cells use it as a direct source of energy.

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