Microlife BodyGem Resting Metabolic Rate TestÂ
Precision Metabolism Testing for Personalized Weight Management
The Microlife BodyGem is a clinically validated, handheld indirect calorimeter designed for Resting Metabolic Rate (RMR) testing. By directly measuring oxygen consumption (VOâ‚‚), the BodyGem provides a precise metabolic rate assessment in just 5–10 minutes—a critical factor in developing personalized nutrition and weight loss plans.
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Why Metabolic Testing?
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RMR accounts for up to 75% of daily calorie needs.
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Superior to estimation formulas (e.g., Harris-Benedict, Katch-McArdle).
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Helps clients optimize weight loss and avoid plateaus
Providing science-based metabolic rate data empowers your clients to achieve their weight management goals while increasing revenue for your private practice or fitness business.
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Unlock Your Clients’ Metabolic Fingerprint™
How BodyGem Works
​The BodyGem device measures an individual’s unique metabolic rate, delivering immediate, personalized data for weight loss, fitness training, and overall wellness planning.
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✔ Simple – Clients breathe into the device, which accurately measures their VOâ‚‚. Results appear on the LCD screen within minutes.
✔ Accurate – Validated against the gold standard Douglas Bag method and clinical metabolic carts.
✔ Portable – Comes with a lightweight carrying case, allowing on-site metabolic testing.
✔ Profitable – Providers typically charge $50–$75 per RMR test, creating a new revenue stream.
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“The ability to quickly and accurately measure metabolism with BodyGem gets people’s attention. No more guessing about how much you should be eating – it’s right there in front of you.”
– David Dansereau, Owner, One Body Health
BodyGem Analyzer Software
​The BodyGem Analyzer Software enhances patient assessments by storing and analyzing RMR data to create customized nutrition and weight management plans.
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Key Features:
✔ Personalized Nutrition & Activity Plans – Uses RMR data along with occupational level, sleep schedule, and weight goals to tailor recommendations.
✔ Comprehensive Patient Reports – Includes RMR comparisons, normative metabolic ranges, and educational resources to promote self-management of diet and exercise.
✔ Windows-Based Software –
Can be run on Mac computers using Boot Camp or Parallels.
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Benefits of Adding BodyGem Testing to Your Business
For Your Clients:
✔ Eliminates guesswork – Provides a scientific baseline for calorie intake.
✔ Reinforces proper nutrition – Clients learn to fuel their body according their individual needs instead of starving it.
✔ Prevents weight-loss plateaus – Regular testing adjusts calorie intake for continued progress.
✔ Improves long-term success – Clients stay motivated when they see measurable results.
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For Your Business:
✔ Higher Client Retention – When clients see real results, they stay engaged with their program.
✔ Increased Revenue – A single RMR test generates $50–$75, making this a profitable add-on service.
✔ More Referrals – Happy clients spread the word, driving organic business growth.
✔ Competitive Edge – Offering metabolic testing sets you apart from competitors.
There’s no simpler, more accurate, or more profitable way to tailor each client’s program for maximum success!
BodyGem Purchase OptionsÂ
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BodyGem System Kit
(Best Long-term Value)
Ideal for clinics performing frequent metabolic testing
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✔ BodyGem Indirect Calorimeter – with a 1-year warranty
✔ One 21-pack of disposable mouthpiece filters and nose clips.
✔ BodyGem Analyzer Software (Windows-based)
✔ Lightweight carrying case for portability
✔ Metabolic Rate & Weight Management Guide
✔ Marketing Materials Kit (trifold brochures included)
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Lowest per-use cost – No sensor replacement needed! Simply purchase additional mouthpiece filters and nose clips to continue testing.
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Additional Mouthpiece Filters and Nose Clip Packs:
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21-pack: $299
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Bulk Discounts Available: Contact us for current promotions and special pricing on multi-box purchases
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Extended Warranty Option
Upgrade to 2 years for $399
COVID-19 Update
The MedGem and BodyGem filters are made with 3M Filtrete medical-grade material to ensure the highest standard of safety and performance.For optimal hygiene and accurate results, a new mouthpiece filter and nose clip must be used for every measurement.
Important Precautions:
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Do not remove the flow tube—this could expose sensitive sensors that may be damaged by water or cleaning solutions.
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Avoid submerging the device in water or allowing any liquid to enter the display window, sockets, or flow tube openings.
Device Repair & Recalibration
If your MedGem device requires evaluation or recalibration after the warranty expires, we offer a repair service for $99 plus return shipping.
For Questions, Orders, or Support:
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Call: 713-858-2445
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Email: nora.neely@microlifeusa.com
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Complete the online Contact Form for a response via email or phone
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To order a BodyGem or MedGem System Kit, complete the Order Form and call us with payment information
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Purchase orders accepted from companies with a net-30 credit account​
Please note that our previous phone number (303-274-2277) and fax number (303-274-2244) have been discontinued. Kindly use the updated contact information provided above.
