Is “metabolic damage” real — or is your resting metabolism simply lower than expected?
“Metabolic damage” is not a formal diagnosis. But resting metabolism can be lower than expected, and metabolic adaptation after weight loss is measurable.
✓ Open to the public · ✓ No referral required · ✓ HSA/FSA payment accepted for eligible expenses; coverage depends on your plan
See the RMR Test — $165 → · Book the $195 Comprehensive Assessment →
What people mean by “metabolic damage”
People often describe this experience as a “broken,” “crashed,” or “stalled” metabolism. These are understandable descriptions of a real and frustrating experience — but they are patient and search language, not clinical findings. What can sometimes be measured is a lower-than-expected resting metabolic rate, or metabolic adaptation following weight loss or prolonged restriction.
What actually changes: metabolic adaptation
Metabolic adaptation refers to changes in energy expenditure that can occur during weight loss, prolonged calorie restriction, or changes in body mass and lean mass. An RMR test can show whether your current resting energy expenditure is lower than the predicted range for your size.
One test cannot prove when that difference developed, what caused it, or whether it is permanent.
Why eating less may stop helping
More restriction is not always the right next move. If resting expenditure is already lower than predicted, further under-fueling may make recovery, adherence, or lean-mass preservation harder. And when sleep, medications, hormone-related symptoms, blood-sugar patterns, or GI issues are part of the picture, calories alone may not answer the whole question.
Scale weight can also be affected by body composition, fluid changes, intake estimates, activity, medications and sleep. Measure first. Then decide what actually deserves attention.
What may be driving it
Five patterns we commonly consider. More than one may be relevant at the same time.
1. Lower-than-predicted resting metabolic rate.
A lower-than-predicted resting metabolic rate may accompany metabolic adaptation, prolonged under-fueling, reduced lean mass, thyroid-related patterns, or other factors. RMR testing measures current resting energy expenditure; it does not establish why the result is lower or when the difference developed.
2. Thyroid-related patterns.
Thyroid symptoms and weight concerns cannot always be interpreted from one marker alone. When the history supports it, blood testing may include TSH and selected thyroid-hormone markers. Results must be interpreted in context and do not by themselves establish the cause of symptoms. Diagnosis and medication management remain with the clinician responsible for your medical thyroid care.
3. Insulin resistance and blood-sugar patterns.
Fasting glucose alone may not describe the full pattern. When appropriate, glucose, insulin, and related markers can provide additional context about glucose regulation, appetite, and metabolic risk. No single marker proves why weight loss has stalled.
4. GI symptoms and related factors.
Digestive symptoms, food tolerance, inflammation-related symptoms, and adherence may all affect the broader clinical picture. When the history supports further evaluation, different GI tests answer different questions and have important limitations. GI-MAP is not a SIBO test, and no single GI result establishes the cause of weight-loss resistance.
5. Hormonal shifts.
Changes in estrogen, progesterone, testosterone, and cortisol may be relevant to body composition, sleep, appetite, or symptoms, especially during midlife transitions. Blood or urine testing can measure selected hormones or metabolites, but results do not by themselves prove why weight or body composition has changed.
What can be measured, and what it can’t
What an RMR result may show: whether measured resting energy expenditure is lower than, within, or above the predicted range — and how that result fits with body composition.
What it cannot prove: it cannot prove that dieting caused the result, when the change occurred, or whether it is permanent.
One caveat we volunteer up front: the predicted range is a comparison, not a guaranteed biological requirement; one RMR is a single reading; a resting RQ does not establish metabolic flexibility; and a low reading does not by itself prove that dieting caused it. A normal result is still useful — it removes one suspected pattern from the priority list.
When to see a physician first
Some situations are medical evaluations, not measurement questions:
- Rapid or unexplained weight loss
- A history of disordered eating, or very low intake
- Unintentional weight change with fever, night sweats, or new severe fatigue
- Fainting, chest pain, or shortness of breath
- A known thyroid, heart, or metabolic condition that has not been evaluated recently
If you have symptoms of a medical emergency, call 911.
Seek prompt medical care for a markedly abnormal measured glucose result or new or severe symptoms such as excessive thirst, frequent urination, blurred vision, or unusual drowsiness. Testing at Twin Cities Metabolism is not a substitute for acute medical evaluation.
Dr. Jared Larsen, LN, CNS, DC, MS, is not a medical doctor and does not provide emergency medical care. Depending on the finding or symptoms, you may be advised to contact your physician, seek urgent medical evaluation, or call 911.
How we evaluate it
Measured in the $195 Comprehensive Metabolic Assessment, same visit: RMR + resting RQ · InBody body composition (incl. ECW/TBW fluid balance) · blood pressure · grip-strength baseline · height · integrated interpretation.
Separate, later evaluation — only when the history justifies it: thyroid blood markers · insulin/glucose markers · medication and medical review · hormone or GI testing. These are a separate decision, not part of the $195 assessment.
Testing in Roseville, MN
In-clinic at Rosedale Tower, 1700 West Highway 36, Suite #400, Roseville, MN 55113. By appointment, Monday / Tuesday / Thursday, 9:00 a.m.–2:00 p.m. Open to the public — no referral required.
- InBody 580 scan — $45 (4-scan pack $149): what your weight is made of.
- RMR test — $165: your measured resting metabolic rate.
- Comprehensive Metabolic Assessment — $195: both, read together, with a written report.
- Metabolic Snapshot — $595: what your bloodwork shows.
The Metabolic Snapshot includes selected blood markers related to glucose regulation and thyroid status. Other symptoms may or may not warrant testing that the Snapshot does not include. Dr Jared will explain what information a proposed test could add, its limitations, and its cost before you decide.
What patients say
Finally had answers to why I felt and looked the way I did.
“I am a woman in my 50’s and I have struggled with my weight most of my life… With a Covid sedentary lifestyle and menopause giving me a double whammy, I was once again desperate to feel good and get the weight off… I finally had answers to why I felt and looked the way I did. I immediately began the program and I have never felt better than now.”
— Michelle B., Google review
Individual results vary. Testimonials reflect individual experiences and are not a guarantee of outcomes.
Frequently asked
I’ve been told my labs are “normal.” Why would you find anything different?
A result within a laboratory reference range can be reassuring, but it may not answer every question about your symptoms or weight-loss plateau. We look at which markers were tested, the pattern across results, trends over time, medications, symptoms, and relevant measurements such as body composition or RMR. Additional testing is considered only when your history and existing results justify it.
How quickly could I expect things to change?
It depends on what the measurements show and which patterns are actually relevant in your case. Some changes may be felt before they appear in weight or body composition. We use repeat measurement to evaluate progress rather than promising a fixed timeline.
I’ve already tried multiple programs and clinicians. What’s different here?
We begin with measurements that may include body composition, RMR, and selected blood markers rather than assuming the same explanation applies to everyone. Those results are interpreted alongside your history, symptoms, medications, and prior efforts. The goal is to identify which factors deserve attention—not to force every patient into one preset protocol.
Is this just another low-carb / keto approach in disguise?
No. We don’t subscribe to a single dietary framework. The “right answer” depends on what your case actually says — and that’s why measurement comes first.
How much does this cost?
The Comprehensive Assessment is $195 — a 40-minute visit that includes the InBody scan, the RMR test, and Dr Jared’s analysis. That’s the only decision to make today. If your results point to something deeper, Dr Jared will tell you exactly what he’d test next, and why, before you spend anything more.
Test what may be driving your case
5.0 rating from 63 Google reviews
In-clinic in Roseville · Open to the public · No referral required
Explore RMR Testing · Book the Comprehensive Metabolic Assessment
Not sure which starting point fits? Take the free 90-second quiz.