Over 70%of U.S. adults report feeling very tired or exhausted on at least some days.1

Energy Matters

mescreen™ gives you the power to track and optimize yours.

A few drops of blood, a lab analysis of your mitochondrial function, and a one-on-one expert consult.

$699 + shipping. Kit, lab analysis and expert consult included.
At-home collection, under 10 minutesResults in 2–3 weeks after the lab receives your samplePersonalized plan and expert consultation
Three generations of an African American family laughing together as they walk a coastal path at sunrise
CLIA-certifiedlaboratory
Trusted byphysicians
Built on 20+ years ofmitochondrial research
Developed with methodsfrom NASA research†
  • No prescription needed
  • Prepaid return shipping on every kit
  • Your results stay private
  • Run by PhDs, not A.I.
Why cellular energy

Your mitochondria power everything you do.

Mitochondria generate more than 90% of your body's energy,2 turning the food you eat and the air you breathe into ATP, the energy every cell runs on. mescreen™ measures how well that process is working, so you can bring real data into your wellness decisions.

Woman relaxing at home in workout clothesDaily energy

Everyday energy

See how efficiently your cells are producing the energy your day depends on.

Woman stretching on a yoga matRecovery

Bounce-back capacity

Understand how your cells respond when energy demand goes up.

Woman writing in a notebook at a tableFocus

Fuel for a busy mind

Your brain is one of your most energy-hungry organs. Know your cellular baseline.

Man smiling while holding his mescreen™ kitHealthy aging

Track change over time

Retest as your routine changes and compare against your own baseline.

13

core mitochondrial functions are measured from a single at-home blood sample, then summarized in four plain-language report areas.3

How it works

From kit to conversation in five steps.

Get your test — $699
01
Order

Your kit ships to you

Your home collection kit arrives within 7 days, with a step-by-step booklet and a prepaid return package.

02Phone screen showing the mescreen™ registration questionnaire
Register

Register your kit

Register your kit and complete your questionnaire online, following the steps included in your booklet.

03
Collect

Collect your sample

Collect a few drops of blood at home in under 10 minutes. Be sure to write your name and date of birth on the blood card. Then mail your sample back.

04
Analyze

Your personal report

The laboratory analyzes your sample, and your results are generally ready 2–3 weeks after it arrives.

05Man on a video call with a wellness consultant
Consult & retest

Talk it through one on one

Review your results with a mescreen™ mitochondria expert. Many people retest every 3–4 months while adjusting their plan.

Your report

Vital insight to track and act on.

Your mescreen™ report turns lab measurements into plain language, with personalized lifestyle, nutrition and supplement ideas to discuss with your provider.

  1. 00 Start here

    Discover What mescreen™ Measures

    Every cell relies on mitochondria to make ATP, the molecule that powers movement, thinking and repair. mescreen™ looks at how your mitochondria use oxygen and respond under measured conditions, then summarizes the results in a report written for non-scientists.

    • 13 core functions measured
    • 1:1 expert consult included
    Report overviewSample report
    CriticalDysfunctionBorderlineOptimal You're here mescore™ 88 Percentile 0–9 Severe 90–100 Ultra adapted
    Energy Profile
    CriticalDysfunctionBorderlineOptimal
    Energy Balance
    CriticalDysfunctionBorderlineOptimal
    Mito ROS
    CriticalDysfunctionBorderlineOptimal
    Mito-Network
    CriticalDysfunctionBorderlineOptimal
    Sample data for a fictional client, for illustration only
  2. 01 Report metric

    mescore

    Your mitochondrial efficiency score, a single number to track over time.

    Why it matters

    mescore™ gives you one focused measure to track your progress over time.

    Your mescore™Sample report
    CriticalDysfunctionBorderlineOptimal You're here mescore™ 88 Percentile 0–9 Severe 90–100 Ultra adapted
    Sample data for a fictional client, for illustration only
  3. 02 Report metric

    Energy Profile

    How your mitochondria produce energy, at rest and under demand.

    Why it matters

    Shows how much energy your mitochondria make at rest, how much is wasted, and how much reserve you have when demand goes up.

    Energy ProfileSample report
    Energy Profile
    CriticalDysfunctionBorderlineOptimal
    Baseline Respiration
    LowCompromisedOptimalElevatedOverdriven
    Mitochondrial Efficiency
    LowCompromisedBorderlineOptimal
    Mitochondrial Potential
    LowCompromisedBorderlineStableOptimal
    Sample data for a fictional client, for illustration only
  4. 03 Report metric

    Mito ROS Score

    How well your cells manage oxidative stress.

    Why it matters

    Making energy naturally creates reactive oxygen species (ROS). This score shows whether yours stay at a healthy level, at rest and under stress.

    Mito ROSSample report
    Mito ROS
    CriticalDysfunctionBorderlineOptimal
    Baseline ROS
    OptimalStableBorderlineElevatedSevere stress
    Stressed ROS
    OptimalStableBorderlineElevatedSevere stress
    Sample data for a fictional client, for illustration only
  5. 04 Report metric

    Mito Network Score

    How your mitochondria handle cellular stress.

    Why it matters

    Healthy mitochondria link into a connected network that shares energy and adapts to stress. This score shows how well yours hold together.

    Mito-NetworkSample report
    Mito-Network
    CriticalDysfunctionBorderlineOptimal
    Baseline Mito-Network
    StrongStableEarly disruptionWeakenedDisrupted
    Stressed Mito-Network
    StrongStableEarly disruptionWeakenedDisrupted
    Sample data for a fictional client, for illustration only
  6. 05 Report metric

    Energy Balance Score

    Key factors behind your energy equilibrium and recovery.

    Why it matters

    Shows the balance between efficient energy from your mitochondria and glycolysis, a faster but less efficient backup system.

    Energy BalanceSample report
    Energy Balance
    CriticalDysfunctionBorderlineOptimal
    Mitochondrial Energy
    LowBorderlineElevatedOptimal
    Glycolysis Energy
    LowBorderlineStableOptimal
    Sample data for a fictional client, for illustration only
  7. 06 Report metric

    Action Plan

    How you can put this insight into action, with lifestyle, nutrition and supplement ideas to review with your expert and your provider.

    Why it matters

    Bring real data into your wellness decisions.

    Action PlanSample report
    Phase 1 · Months 1–3Maintain foundations and identify stress leaks
    1. Stay rhythmicRegular sleep, meals and morning light
    2. Nutrient check-inMagnesium, omega-3s and B vitamins
    3. Red light routine5–10 minutes a day
    4. Blood sugar stabilityFiber, healthy fats and protein
    5. Track subtle signalsNotice energy, mood and focus dips
    Retest in 12 weeksCompare to your mescore™
    Sample data for a fictional client, for illustration only
Swipe or tap the arrows to explore
How it compares

A different view than other tests.

Most tests look at your genes or a single marker. mescreen™ looks at how your mitochondria are working right now.

ApproachWhat it showsKeep in mind
mescreen™Functional cellular testingHow your mitochondria currently perform, from an at-home blood sampleA newer approach and an active area of research
Genetic and epigenetic testsInherited traits and biological-age estimatesDoesn't measure your current energy production
Single blood markersCirculating signals related to metabolism and stressIndirect, and can shift with diet, activity or inflammation
Muscle biopsyEnergy production measured directly in tissueInvasive, costly, and done in a clinical setting
Pricing

One test. One price. Lab analysis and consult included.

No subscription needed and no hidden lab fees. Your kit, prepaid return shipping, lab analysis, report and expert consult are all in one price. Subscription option to save on retests.

Open mescreen™ kit showing the collection supplies, instructions and return packaging
mescreen™ Mitochondrial Function Test + Expert Consult
$699
Plus shipping, calculated at checkout
  • At-home blood sample collection kit
  • Prepaid return shipping
  • Laboratory analysis of 13 core mitochondrial functions
  • Personal report with lifestyle and nutrition ideas
  • One-on-one consult with a mitochondria expert
Get your test — $699

No prescription needed · Not covered by insurance· Refund policy

Customer experiences

What people say about the process.

4.718 reviews · Read all →
★★★★★

“It was easy to do and the consult with Dr Grace was clear, concise and informed me what is going on in a comprehensive and understandable manner. She distilled what is a very complex and sciency subject to layman’s language…”

Sue B. · Verified buyer · May 2025
★★★★★

“I thought the process was pretty easy. My order came quickly, the instructions were clear, and the finger prick for blood was not bad.”

Matthew O. · Feb 2025
★★★★★

“I’m very satisfied with the experience. The results gave me clear insights… The verbal explanation that accompanied the results was also very helpful and easy to understand.”

Jeroen M. · Verified buyer · Nov 2025
★★★★★

“…speaking with Dr. Lovejoy (LOVE her name), I gained great understanding about the test itself and what each of the categories mean.”

Jamie H. · Verified buyer · Aug 2025
★★★★★

“The consult was really helpful and the results are interesting.”

Tess F. · Verified buyer · Oct 2025
★★★★★

“Awesome experience! We will definitely put the great advice to work and repeat the test in a few months!”

Lynn D. · Verified buyer · Jul 2026

Excerpts from customer reviews on the mescreen™ website, collected through Klaviyo Reviews. Shown for comments on the testing process; individual experiences vary.

FAQ

Straight answers.

Still have a question? Call 1-800-397-0670.

For practitioners

Bring mitochondrial testing into your practice.

Physicians and wellness practitioners use mescreen™ to add a functional, cellular view to the conversations they already have with clients.

  • Practitioner pricing and ordering
  • Client reports and expert support
  • Research materials and methodology
Get Started Today