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HBOT Center

Metabolic Testing (RMR)

Metabolic Testing (RMR)

$400.00
$400.00
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Understand your metabolism at rest

RMR testing through indirect calorimetry helps guide your nutrition and training with scientific accuracy — no guessing required.


Metabolic insights that drive smarter choices

Learn how many calories you burn at rest, identify your primary fuel source (fat vs. carbohydrates), and apply these results to refine your calorie intake, macronutrients, and training plan.

What is RMR?

Resting Metabolic Rate is the energy your body needs at rest to sustain essential functions — breathing, circulation, and cellular repair. It represents most of your daily energy use and serves as the foundation for personalized nutrition and training.

Why measure your RMR?

Accurate daily calorie target

Set precise calorie goals for fat loss, maintenance, or muscle gain — based on real data, not estimates.

Optimize your macronutrients

Balance protein, carbs, and fats according to your individual metabolism for better performance and recovery.

Break through plateaus

Reassess your RMR regularly to detect metabolic changes and adjust your program effectively.

Truly personalized results

Combine RMR, RER, and heart rate metrics to align your diet and training precisely to your physiology.

How it works

The RMR test is quick, comfortable, and non-invasive. You simply relax while breathing into a sterile mouthpiece. The equipment analyzes oxygen and carbon dioxide exchange to calculate your resting metabolism with clinical precision.

  1. Relaxed setup — avoid workouts or stimulants before arriving.
  2. Breathing phase — sit or lie comfortably and breathe normally for about 10–20 minutes.
  3. Results review — receive your RMR, RER, heart rate, and daily energy expenditure summary.

What you receive

Your report includes detailed metabolic information that connects your physiology to actionable recommendations.

  • Measured RMR (kcal/day) using indirect calorimetry
  • RER (respiratory exchange ratio — fat vs. carbohydrate fuel use)
  • Resting heart rate (RHR)
  • Estimated TDEE (total daily energy expenditure, including NEAT)

How to prepare

  • Arrive lightly fasted (4–6 hours) with no exercise beforehand.
  • Do not consume caffeine, nicotine, or stimulants before the test.
  • Come well-rested and hydrated for the most accurate results.

Following these simple steps ensures your metabolism is measured in its true resting state.

Frequently Asked Questions

What exactly does the RMR test measure?
It measures how many calories your body burns at rest to sustain life functions. The data comes from your breathing — measuring oxygen consumed and carbon dioxide produced — giving a direct reading of your metabolism.
Why is measuring RMR more useful than formulas?
Standard equations can miscalculate by 30–40% because they use population averages. Measuring your RMR eliminates that error and provides your actual baseline.
What is RER and what does it tell me?
RER (Respiratory Exchange Ratio) shows which fuel your body is primarily burning — fat, carbohydrates, or a mix. It helps tailor your nutrition and exercise strategies for better results.
How long does the test take?
The full process typically lasts about 10–20 minutes, including setup, breathing, and post-test review.
Will I need to exercise during the test?
No — you’ll be completely at rest. The test is designed to measure your metabolism while relaxed and motionless.
What factors influence my metabolic rate?
Age, muscle mass, hormones, genetics, sleep, stress, and recent diet or training history all play a role in how fast or slow your metabolism runs.
Can I raise my RMR?
Yes. Increasing muscle mass through resistance training, eating enough protein, and staying active throughout the day can all boost your resting metabolism over time.
How often should I re-test my RMR?
Re-testing every few months helps track metabolic adaptations from diet or exercise changes, especially during body composition transformations.
Is the test uncomfortable?
Not at all. You simply relax and breathe naturally through a clean, single-use mouthpiece while sensors collect data.
What happens after the test?
You’ll receive a report explaining your RMR, RER, and calorie needs, along with guidance to apply those results to your daily nutrition and training plan.
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