Longevity for Women: DEXA Body Scans & Metabolic Testing

As you age, it's easy to lose muscle and bone while quietly gaining hidden fat, even if your daily routine stays the same. A DEXA & RMR test tells you exactly what your body needs to stay strong and healthy as you age.

Updated

DEXA and RMR testing for longevity in women

"My weight on the scale looked fine, but my DEXA scan showed my muscle was dropping and hidden fat was going up. My resting metabolic rate test stopped me from cutting calories too low. I ate more protein, started lifting weights, and retested four months later with total confidence."

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Quick Summary

Stop guessing about your health. A combined DEXA scan and Resting Metabolic Rate (RMR) test measures the exact metrics that matter most.

The scan reveals your true body fat percentage, total fat mass, and visceral fat. This hidden belly fat often builds up after the age of forty and drives up health risks. You also get precise data on your muscle mass to spot early signs of muscle loss, plus a bone density score to check your skeletal strength.

Finally, the RMR test shows exactly how many calories your body burns at rest.

This data changes how you approach your fitness. You can set daily food targets using your actual metabolism and adjust your training to build muscle exactly where you need it.

Who this is for

This is for women who want a complete, data-driven understanding of how their body is ageing, not just part of the picture.

If any of the following sound familiar, combining DEXA and RMR becomes significantly more valuable than doing either in isolation:

You feel like your body is not responding the way it used to
You are training, eating well, and staying consistent, but results are slower or going in the wrong direction. Hormonal changes affect both body composition and metabolism. Fat gain, muscle loss, and reduced energy can happen at the same time. If you do not measure both, you are only seeing part of the problem.

You want to understand why your weight or shape is changing
The scale cannot tell you whether you are gaining fat, losing muscle, or under-fuelling. DEXA shows exactly what your body is made of. RMR shows how much energy your body actually needs. Together, they explain cause and effect rather than just surface-level changes.

You are in your 30s, 40s or beyond and want to stay strong long term
Longevity is not about weight. It is about maintaining muscle mass, protecting bone density, and preserving metabolic function as you age. This combination gives you a measurable baseline so you can act early rather than react later.

You are eating well but unsure if it is right for your body
Many women either under-eat, which leads to muscle loss and metabolic slowdown, or overestimate their calorie needs. RMR removes this guesswork by measuring your true daily energy burn so you can fuel correctly for muscle preservation and long-term health.

You want to reduce long-term health risk, not just improve how you look
Visceral fat, declining bone density, and muscle loss are key drivers of ageing-related disease and loss of independence. DEXA identifies these risks early, while RMR ensures your nutrition supports prevention rather than progression.

You are serious about longevity and want a clear strategy, not generic advice
Most plans are built on averages. Your body is not average. By combining body composition data from DEXA with metabolic data from RMR, you get a complete physiological blueprint. This allows you to train, eat, and recover with precision instead of guesswork.

You want a baseline you can track over time
Longevity is something you measure and refine over time. This combination gives you a starting point across both structure, including fat, muscle, and bone, and function, including metabolism, so you can track whether your strategy is actually working.

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Resting Metabolic Rate (RMR) Test

£110

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How clinical testing shapes a proactive longevity plan

Most longevity advice focuses on what to add to your routine. But the best strategies start by measuring exactly what your body is losing. The biggest risks for women are quiet muscle loss, thinning bones, and hidden organ fat. To age actively, your overall weight matters much less than these specific metrics.

Your plan needs four numbers. The first is Visceral Adipose Tissue (VAT). This inflammatory fat is stored deep around your organs. Midlife fat gain is often driven by rising VAT, even if your weight is stable. Tracking this acts as a powerful early warning system.

The second is your Appendicular Lean Mass Index (ALMI). This isolates the muscle in your arms and legs, adjusted for your height. Tracking ALMI helps you spot the quiet replacement of muscle with fat, letting you take action long before you lose physical strength.

Your Bone Mineral Density (BMD) is equally critical. Many wait until later in life to measure this, missing the crucial menopause years when bone loss speeds up. Catching a downward shift early highlights declining density years before a fracture occurs.

Finally, a Resting Metabolic Rate (RMR) test reveals your baseline calorie needs. Standard calculators rely on generic formulas that can be off by more than ten percent. Relying on estimates often leads to eating the wrong amount, accidentally stalling progress or stripping away protective muscle.

Together, these tests replace vague goals with clear facts. If your VAT is high, you focus on fat loss while actively protecting muscle. If your ALMI or BMD is dropping, the data points you toward heavier strength training and specific nutrition.

A successful longevity plan relies on continuous feedback. You establish a clear baseline, make targeted changes, and then retest every six to twelve months.

Example Results

Example of the regional analysis of a DEXA Body composition scan
Example of the dashboard of an RMR test
DOWNLOAD: TELOMYX DEXA Scan Example Report DOWNLOAD: TELOMYX RMR Example Report

Case Studies

Sarah - Waistline changes despite a stable weight

At 42, Sarah was frustrated. Her weight had not changed, but her clothes fit differently. She noticed more fat around her middle and felt her metabolism was slowing down.

A baseline scan revealed her visceral fat was high. It also showed her arm and leg muscle mass was low. A resting metabolism test confirmed her daily calorie burn was slower than standard calculators predicted.

Instead of guessing with extreme diets, Sarah adjusted her eating to match her true metabolism. She added resistance training three times a week and hit a specific protein target at every meal.

When she retested nine months later, the data proved her plan worked. Her visceral fat had dropped by 300g, her lean muscle had increased, and her body composition was visibly transformed.

Outcome: Visceral fat down. Lean muscle up. Metabolism supported.

Muscle Mass
Current
28.2 kg
PREVIOUS 27.0 kg
increased
Body Fat Percentage
Current
29.5 %
PREVIOUS 33.0 %
decreased
Bone Density
Current
1.0 g/cm3
PREVIOUS 1.0 g/cm3
stable

Elena - Strong fitness but declining bone health

Elena, 52, was a dedicated runner. She had a healthy body fat percentage and felt strong, but her bone health was entirely untested.

Her first DEXA scan revealed a surprising blind spot. Her bone density score at her hip showed early signs of bone loss. The scan also highlighted a muscle imbalance. Her leg muscle mass was too low to properly support her joints during high impact exercise.

She immediately shifted her training focus. Instead of just running, she started lifting heavy weights and adding jumping exercises to stimulate bone growth. She also reviewed her calcium and vitamin D intake with a clinician.

Twelve months later, her follow-up scan showed her bone density had successfully stabilised. Her leg muscle mass had also increased, giving her the strength to keep running safely.

Outcome: Bone density stabilised. Leg muscle increased. Long term mobility protected.

Musle Mass
Current
31.5 Kg
PREVIOUS 30.0 Kg
Improved
Body Fat Percentage
Current
20.0 %
PREVIOUS 22.0 %
Reduced
Bone Density
Current
1.00 g/cm3
PREVIOUS 0.97 g/cm3
Stabilised

Claire - Fighting diet plateaus and daily fatigue

At 57, Claire felt completely stuck. After years of restrictive eating, her weight had plateaued. She felt constantly tired and assumed she just needed to eat even less.

Testing revealed exactly why she was struggling. Her measured resting metabolism was much lower than fitness apps guessed, meaning she was unknowingly under-eating. Her DEXA scan showed repeated dieting had reduced her muscle mass, which was driving her fatigue and slowing her metabolism further.

Claire immediately stopped her extreme diet. Using her true test data, she set a slightly higher, safer calorie goal. She increased her daily protein intake and started strength training.

At her next retest, she had successfully lost fat while maintaining all of her lean muscle. She finally broke her weight loss plateau without starving herself.

Outcome: Fat reduced. Muscle maintained. Energy restored.

Muscle Mass
Current
27.5 Kg
PREVIOUS 27.5 Kg
Maintained
Body Fat Percentage
Current
28.0 %
PREVIOUS 33.0 %
Reduced
Bone Density
Current
1.07 g/cm3
PREVIOUS 1.05 g/cm3
Slight increase

What to expect during your DEXA and RMR tests

Getting clinical-grade data takes less than an hour. Booking your DEXA scan and RMR test together gives you a complete metabolic profile in a single visit.

We usually do the resting metabolic rate test first. You need to arrive rested and fasted. You must also skip exercise and caffeine before your visit to ensure accurate results. During the RMR test, you relax in a comfortable chair/bed and breathe normally into a simple mask for 15 to 30 minutes. The machine measures the exact amount of oxygen your body uses to calculate your resting calorie burn.

Next, you move on to your body composition scan. The DEXA scan is quick and completely painless. You simply lie still on a bed while a low-dose scanner passes over you for a few minutes.

You leave with a full report featuring visual maps of your body. We show you exactly which charts to track. Booking both tests gives you a clear, data-driven starting point for your health goals.

Why accurate testing beats guesswork

Many women rely on tools that simply guess their results. Smart scales, fitness trackers, and BMI calculations use generic formulas that do not look at your unique body.

A standard bathroom scale cannot tell the difference between fat and muscle. You might lose important muscle, but the scale will still say your weight loss is a success. BMI can also be misleading. It might label you as healthy while missing visceral fat, the dangerous inflammatory fat hidden deep around your organs.

Fitness trackers also guess your daily calorie burn. They can miss your true resting metabolic rate by hundreds of calories. This often leads to eating too little, which speeds up muscle and bone loss as you age.

Clinical testing cuts through the noise. A DEXA scan accurately measures your body composition, visceral fat, and bone health in one quick scan. Testing your resting metabolic rate (RMR) shows exactly how many calories you need to stay strong. It gives you a clear baseline you can actually trust.

DEXA Scan
RMR Test
DEXA + RMR Bundle
Clinical-grade body fat %
Precise muscle mass (kg & %)
Visceral fat (key health risk marker)
Bone density insight (clinical standard)
Measured metabolic rate (calories/day)
Personalised daily calorie target
Accurate fat vs muscle change tracking
Complete clinical picture (body + metabolism)

Who uses clinical tests for longevity?

Replacing guesswork with real data is how everyday people take control of their future health.

Women focused on longevity use these scans to catch early warning signs. They track visceral fat, muscle mass, and bone density well before problems start. During perimenopause and menopause, precise data is the best way to monitor structural changes and protect physical independence.

People on weight loss medications use body scans to stay safe. They need to know they are dropping fat, not losing vital muscle. Anyone with a history of harsh dieting uses metabolic testing to avoid eating too little and damaging their metabolism.

Top health coaches insist on accurate data instead of bathroom scales. If you want to age actively and well, you need to know your true starting numbers.

How to use your results to control how you age

1

See your exact body fat, lean muscle, bone density, and metabolic rate on day one.

2

Identify your biggest health risk so you can fix one clear priority at a time.

3

Use your true resting metabolic rate to set a precise daily calorie target.

4

Match your daily protein and strength training to your current muscle mass.

5

Spot physical imbalances to change your workouts, fix weak spots, and prevent injuries.

6

Book a follow-up test in six to twelve months to prove your habits are working.

Find a Testing Location

Telomyx runs mobile clinics at partner gyms and wellness centres across the North West, including Manchester, Liverpool, Chester and Warrington. You can choose a location, date, and time that suits you. We add new partner locations regularly, so there’s usually an option nearby.

Booking is simple:

  1. select your test or bundle
  2. Pick your preferred location
  3. Book an available appointment slots.

Because clinics rotate between sites, it’s worth checking back frequently to find the most convenient option for you.

Frequently asked questions

How often should I do a DEXA scan for longevity?

We recommend a baseline scan, followed by check-ins every six to twelve months to track changes in your body composition.

If you are monitoring bone density with your doctor, they may suggest a longer gap between tests. The most important factor is tracking your progress over time using the exact same clinical-grade scanner.

Is the radiation from DEXA safe?

Yes. A DEXA scan uses a very low dose of radiation, which is why hospitals and researchers use it routinely.

The exposure is less than you receive during a short flight. However, as a strict medical precaution, we cannot scan anyone who is pregnant.

What is the difference between a body DEXA and a bone DEXA?

A traditional bone DEXA is a focused scan used by doctors to diagnose osteoporosis. It usually looks just at your hip and spine.

Our advanced body DEXA scans your entire body. It gives you a complete picture of your fat tissue, lean muscle, and visceral fat, alongside an overview of your bone health.

What are Z-scores and T-scores, and which should I look at?

These scores help you understand your bone density. Your Z-score compares your bones to other healthy women of your exact age and size. Your T-score compares your bones to a healthy young adult at peak bone density.

Before menopause, the Z-score is usually more helpful. After menopause, doctors use the T-score to assess your long-term fracture risk.

What is visceral fat, and what number should I worry about?

Visceral fat is the active fat stored deep inside your belly. It wraps around your internal organs, and high levels are linked to metabolic health risks.

Your report includes clinical reference ranges to flag high risk. Your main focus should simply be on reducing this number over time through better nutrition and training.

I am a normal weight. Can I still have high visceral fat?

Yes. You can look slim or have a healthy BMI while carrying hidden visceral fat around your organs.

Bathroom scales cannot tell the difference between fat and muscle. A DEXA scan is the only precise way to reveal this hidden health risk so you can take targeted action.

Do I really need an RMR test? Can I just use an online calorie calculator?

Online calculators only guess your calorie needs based on averages. For many women, these formulas are off by ten percent or more.

If you are dealing with hormonal changes, recovering from strict diets, or stuck at a plateau, this error easily erases your progress. An RMR test replaces guesswork with your true metabolic rate.

How do perimenopause and menopause affect my results?

As estrogen drops during menopause, your body naturally shifts fat storage toward your belly, increasing visceral fat.

At the same time, maintaining muscle becomes harder because your body changes how it processes protein. A baseline scan helps you catch these changes early so you can adjust your routine.

Can HRT affect my scan results?

Hormone Replacement Therapy can help preserve bone density. It also influences how your body distributes fat during menopause.

Your DEXA results show exactly how your body is responding to treatment. You can share this clear data with your doctor to help guide your ongoing health and HRT decisions.

What should I do if my scan suggests low bone density or very low lean mass?

First, do not panic. Having this data means you can finally take control of your health.

If your bone density is flagged as low, we recommend sharing the report with your doctor. If you have low lean mass, your next step is focusing on strength training and eating enough protein. We retest in six months to measure your progress.

Related TELOMYX Tests

Scientific References

These references are for educational purposes. Always discuss your results with a qualified clinician.

  • NICE Clinical Guideline: Osteoporosis risk assessment
  • Endocrine Society: Management of Osteoporosis in Postmenopausal Women
  • Age and Ageing: Sarcopenia revised European consensus
  • American Heart Association: Obesity and Cardiovascular Disease
  • Measurement of Resting Metabolic Rate by Indirect Calorimetry
  • International Society for Clinical Densitometry: Official Positions

A DEXA and RMR test is the best way to achieve your health or athletic performance goals.

Book Now More info on DEXA More info on RMR