Kidney function
eGFR Explained for UK Patients: What Your Kidney Filtration Number Means
A practical UK guide to eGFR, kidney filtration, creatinine context, urine ACR, trends and where MeScreen fits after clinical kidney checks.
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Order Your KitBrowse our latest explainers on biomarkers, testing, fatigue, recovery and where mitochondrial insights fit into the wider UK health picture.
Kidney function
Creatinine Explained for UK Patients: What a High Result Can and Cannot Mean
A practical UK guide to creatinine, what a raised result can suggest about kidney filtration, hydration and muscle mass, and where mitochondrial testing fits.
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Biomarker deep dive
ApoB Explained for UK Patients: Why Particle Count Can Matter More Than LDL Alone
A practical UK guide to ApoB, what the test says about cholesterol particle count, and where mitochondrial testing fits.
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Liver & recovery
ALT Explained for UK Patients: What a High Alanine Transaminase Result Can Mean
A practical UK guide to ALT, what a raised alanine transaminase result can suggest about liver stress, and where mitochondrial testing fits.
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Biomarker deep dive
HbA1c Explained for UK Patients: What It Can and Cannot Tell You About Blood Sugar
A practical UK guide to HbA1c, what the test can and cannot tell you about blood sugar, and where mitochondrial testing fits.
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Liver & recovery
GGT Explained for UK Patients: What Gamma-GT Can Tell You About Liver Stress and Recovery
A practical UK guide to GGT, what raised gamma-GT can suggest about liver stress, alcohol load, and where mitochondrial testing fits.
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Biomarker deep dive
Fasting Glucose Explained for UK Patients: What a High Result Can Mean
A practical UK guide to fasting glucose, what a high result can suggest about metabolic health, and where mitochondrial testing fits.
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Metabolic health
Triglyceride-HDL Ratio and Mitochondrial Health: A UK Guide
A practical UK guide to the triglyceride-HDL ratio, what it can suggest about metabolic health and where mitochondrial testing fits.
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Fatigue & testing
Thyroid Blood Tests and Mitochondrial Energy: A UK Guide
A practical UK guide to thyroid blood tests, what TSH and free T4 can explain about fatigue, and where mitochondrial testing fits.
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Sleep and energy
Sleep Apnoea and Mitochondrial Energy: A UK Guide
A practical UK guide to sleep apnoea, oxygen dips, tiredness and where mitochondrial wellness data can fit alongside NHS-style care.
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Metabolic health
Insulin Resistance and Mitochondrial Health: A UK Guide
A practical UK guide to insulin resistance, mitochondrial health, HbA1c, energy and where at-home mitochondrial function testing can fit.
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Biomarker baseline
How to Build a Biomarker Baseline in the UK
A practical UK guide to choosing, timing and repeating biomarkers so your baseline leads to clearer preventative health decisions.
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Preventative screening
Which Preventative Tests Are Worth Paying For in the UK?
A practical UK guide to choosing private preventative tests: NHS basics first, then useful biomarkers, red flags and retesting cadence.
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Sleep timing
Morning light, sleep and mitochondrial recovery: a practical UK guide
A practical UK guide to morning light, sleep timing and mitochondrial recovery: what daylight can and cannot fix, plus when biomarker testing adds context.
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Shift work recovery
Shift work, sleep and mitochondrial recovery: a practical UK guide
A practical UK guide to shift work, sleep debt and mitochondrial recovery: what to change, what to monitor and when biomarker testing adds context.
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Travel recovery
Jet lag, sleep and mitochondrial recovery: a practical UK travel guide
A practical UK guide to jet lag, sleep, travel recovery and cellular energy: light timing, caffeine, hydration, training and when biomarkers add context.
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Sleep and recovery
Caffeine, sleep and mitochondrial recovery: a practical UK guide
A practical UK guide to caffeine, sleep, recovery and cellular energy: timing, tolerance, warning signs and when biomarker testing adds useful context.
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Lifestyle and recovery
Alcohol, mitochondrial health and recovery: a practical UK guide
A practical UK guide to alcohol, mitochondrial health, sleep, recovery and biomarkers: what drinking can affect, what testing can show, and when to cut back.
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Women's health
Perimenopause, fatigue and mitochondrial health: a practical UK guide
A practical UK guide to perimenopause fatigue, mitochondrial health and biomarkers: what hormones can explain, what they cannot, and when testing adds useful context.
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Fitness metrics
VO2 max and mitochondrial health: what fitness data can and cannot tell you
A practical UK guide to VO2 max, mitochondrial health and recovery: what aerobic fitness data suggests, what it cannot diagnose, and when biomarker testing adds context.
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Recovery metrics
Resting heart rate and HRV: what recovery metrics can and cannot tell you
A practical UK guide to resting heart rate and HRV: what recovery metrics can suggest, what they cannot diagnose, and when biomarker testing adds useful context.
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Retesting strategy
How often should you retest biomarkers in the UK?
A practical UK guide to how often to retest biomarkers, when quick follow-up matters, and when repeat testing creates noise.
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Post-test action plan
Post-test action plan UK: what to do with your MeScreen results
A practical UK guide to turning MeScreen and biomarker results into sensible next steps: clinician review, priorities, retesting windows, habits and escalation signs.
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Biomarker deep dive
Omega-3 index test UK: heart health, inflammation and cellular membranes
A practical UK guide to omega-3 index testing, oily fish intake, heart-health context, inflammation signalling and how omega-3 status fits into cellular-health screening.
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Biomarker deep dive
Zinc deficiency test UK: immunity, taste and cellular repair
A practical UK guide to zinc testing, symptoms, diet patterns, absorption context, and how zinc fits into immunity, wound healing and cellular-health screening.
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Biomarker deep dive
Magnesium deficiency test UK: energy, muscles and metabolism
A practical UK guide to magnesium testing, symptoms, medicines, diet and how results fit into energy and preventative health screening.
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Biomarker deep dive
Vitamin B12 deficiency test UK: energy, nerves and results
A practical UK guide to vitamin B12 deficiency testing, symptoms, diet, NHS context, and how to read B12 alongside wider energy and cellular-health markers.
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Biomarker deep dive
Vitamin D deficiency test UK: what low vitamin D can mean
A practical UK guide to vitamin D deficiency, testing, NHS advice, supplements, and how to interpret low vitamin D alongside energy and wider health markers.
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Biomarker deep dive
LDL cholesterol explained UK: what a high LDL result means
A practical UK guide to LDL cholesterol, high LDL results, ApoB, non-HDL cholesterol, and what to do next without overreacting.
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Biomarker deep dive
hs-CRP explained UK: what high-sensitivity CRP can tell you
A practical UK guide to hs-CRP results, low-grade inflammation, heart-risk context, and how to interpret one raised result sensibly.
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Biomarker deep dive
HDL cholesterol explained UK: what \"good cholesterol\" really means
UK guide to HDL cholesterol, what low or high levels can suggest, and how to interpret HDL with triglycerides, ApoB and wider risk.
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Biomarker deep dive
Triglycerides explained UK: what high triglycerides actually mean
A practical UK guide to triglycerides: what they are, why they rise, when they matter for cardiovascular and metabolic risk, and what to do before panicking.
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Biomarker deep dive
Ferritin explained UK: what low or high ferritin can mean
UK guide to ferritin, what low or high results can suggest, and how to interpret iron stores with blood count and inflammation context.
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Biomarker deep dive
Fasting insulin explained UK: what a high result can mean
UK guide to fasting insulin, why it can rise before glucose or HbA1c changes, and how to interpret a high result in context.
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Pre-test prep
How to prepare for a blood biomarker test in the UK
A practical UK guide to blood test prep: when to fast, what to drink, when to pause hard exercise, and why supplements like biotin can affect results.
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MeScreen Journal
Is £599 Worth It for Private Preventative Testing in the UK?
A practical UK guide to whether a £599 private preventative testing package is worth it, who it suits, and where it sits beside NHS care.
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Mitochondrial foundations
Mitochondria are the part of the story people quote badly and need properly.
A practical UK explainer on what mitochondria are, how they make ATP, why they matter for fatigue and ageing, and what usually helps them work better.
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Supplements and energy
Urolithin A and Mitophagy
A practical guide to urolithin A and mitophagy, including what it is, why mitochondrial quality control matters, and what current human evidence actually supports.
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Testing
A urinary organic acids test can be useful, but only if you understand the difference between a clue and a conclusion.
A practical guide to urinary organic acids testing in the UK, including what OAT markers can suggest about mitochondrial function, metabolism, and limitations.
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MeScreen UK
Stress and mitochondrial function
Learn how chronic stress can impair mitochondrial function, energy production, and recovery, plus which biomarkers may help guide useful next steps.
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Sleep
Sleep is when mitochondrial recovery stops being a theory and starts becoming a biological job the body either gets to do or does not.
Learn how sleep quality shapes mitochondrial recovery, energy production, and resilience, plus which signals may suggest recovery is falling behind.
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Photobiomodulation
Red light therapy has a plausible mitochondrial mechanism, which is more than can be said for half the devices sold with the word “quantum” on the box.
A practical guide to red light therapy and mitochondria, including photobiomodulation, cytochrome c oxidase, ATP, and what evidence is credible.
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MeScreen UK
PQQ and mitochondrial biogenesis
What PQQ does, where the biogenesis claim comes from, and what the evidence supports for UK readers considering supplementation.
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Mechanism
Oxidative stress is not a vague wellness buzzword. It is one of the main ways mitochondrial strain turns into poorer energy production, slower recovery, and long-term wear.
A practical guide to oxidative stress, how it damages mitochondria, and what it means for fatigue, ageing, and recovery.
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MeScreen UK
Overtraining and mitochondrial recovery
Learn how overtraining can impair mitochondrial recovery, energy production, and resilience, plus which warning signs may suggest recovery debt is building.
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MeScreen UK
NAD and mitochondrial function
NAD+, NMN, NR and the mitochondrial connection — where the science stands in 2026 and what still needs caution.
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MeScreen UK
Mitochondrial supplements, what works?
A UK evidence-led review of mitochondrial supplements: which have real data, which are marketing, and how to think about stacking them sensibly.
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Long COVID
Long COVID feels mysterious until you notice how often the pattern looks like a badly strained energy system.
A practical guide to mitochondrial dysfunction in Long COVID, including fatigue, post-exertional crashes, brain fog, and why cellular energy remains part of the discussion.
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Genetics
Mitochondrial DNA is not just a smaller version of your main genome. It follows different inheritance rules and matters for a very particular slice of cellular energy biology.
A practical guide to mitochondrial DNA vs nuclear DNA, maternal inheritance, and what the difference means for energy, ageing, and heritable risk.
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Adaptation
Mitochondrial biogenesis is the reason the body can become more capable instead of merely more tired.
A practical guide to mitochondrial biogenesis, how exercise and recovery stimulate it, and why it matters for energy, endurance, and healthy ageing.
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Biological age
Mitochondrial age is not an official birthday, but it is a useful way to describe how old your energy system behaves under real-world load.
A practical guide to mitochondrial age vs chronological age, including biological ageing, energy decline, resilience, and what testing can and cannot tell you.
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Symptoms
Mitochondria and Muscle Weakness
A practical guide to mitochondria and muscle weakness, including exercise intolerance, early muscular fatigue, and poor recovery.
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Fertility
Reproductive health is also an energy story, which is why mitochondria belong in the conversation sooner than most people realise.
A practical guide to mitochondria and fertility, including egg quality, sperm motility, metabolic health, and why reproductive function is also an energy story.
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Symptoms and conditions
Chronic fatigue becomes a very different conversation once you stop treating low energy like a personality flaw.
A practical guide to mitochondria and chronic fatigue, what the energy link may mean, where ME/CFS fits, and why better testing beats vague wellness guesses.
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Symptoms and conditions
Mitochondria and brain fog: cellular energy and clarity
A practical guide to mitochondria and brain fog, why mental clarity depends on cellular energy, and what to check before blaming yourself for poor focus.
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Ageing
Mitochondria and Ageing
A practical guide to mitochondria and ageing, including healthspan, recovery, oxidative stress, and why mitochondrial decline matters over time.
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Biomarker deep dive
Lp(a) explained UK
A practical UK guide to Lp(a), inherited cardiovascular risk, when to test once, and how to read results alongside other prevention markers.
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Biomarkers
Lactate Pyruvate Ratio Explained
A practical guide to the lactate pyruvate ratio, what it can suggest about energy metabolism, and why it is useful only in context.
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Tracking at home
Track mitochondrial health at home in the UK
Learn how to track mitochondrial health at home using symptoms, biomarkers, and functional testing, with a practical UK-focused guide to useful next steps.
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Biomarker deep dive
Homocysteine and cardiovascular risk explained for UK patients
Homocysteine explained for UK readers, what high levels may signal, and when private testing adds useful cardiovascular risk context.
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Heat therapy
Heat therapy and mitochondria: evidence and safe use
Sauna, heat stress and mitochondrial biogenesis — what the Finnish cohort data shows, and how to use heat therapy sensibly.
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Private screening comparison
Harley Street longevity clinic comparison
Compare Harley Street longevity clinics with at-home biomarker testing, costs, convenience, and what MeScreen offers for UK screening decisions.
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Interventions
Fasting and Mitochondrial Autophagy
Intermittent fasting, autophagy and mitochondrial quality control — what the evidence supports and where the hype outpaces the data.
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Interventions
Exercise for Mitochondrial Health
A practical guide to exercise for mitochondrial health, including aerobic work, intervals, strength training, and the recovery needed to benefit from them.
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Cellular energy
Electron transport chain explained: how mitochondria make ATP
A practical guide to the electron transport chain, how it drives ATP production, and why it matters for mitochondrial health and fatigue.
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Nutrition
Diet for mitochondrial health: what helps cells use energy
A practical UK dietary framework for mitochondrial health — what to add, what to reduce, and why consistency beats perfection.
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Supplements and energy
Creatine and Cellular Energy
Why creatine shows up in cellular-energy conversations, where the strongest evidence sits, and how it connects to mitochondrial function.
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MeScreen UK
CoQ10 and mitochondria
What CoQ10 actually does inside the electron transport chain, where the evidence on supplementation is strongest, and who may genuinely benefit.
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Cold exposure
Cold exposure and mitochondrial health: what the evidence says
A practical guide to cold exposure and mitochondria, including thermogenesis, adaptation, recovery tradeoffs, and where cold therapy is actually useful.
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MeScreen UK
Blood sugar and mitochondrial function
How blood sugar stability affects mitochondrial efficiency, and why glucose volatility is a cellular-energy story in its own right.
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Cellular energy
ATP explained, without pretending everyone wants a biochemistry degree.
A practical UK guide to ATP, how cells make usable energy, and why mitochondrial function matters for fatigue, exercise and recovery.
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Biomarker deep dive
ApoB vs LDL, which matters more?
UK guide to ApoB vs LDL, what each marker measures, why they disagree, and which gives better preventative cardiovascular-risk context.
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Longevity Biomarkers
Which biomarkers matter most for longevity?
A practical UK guide to the biomarkers that matter most for longevity, including ApoB, HbA1c, hs-CRP, Lp(a), and why trend matters more than theatrics.
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Biomarker testing
Which Biomarkers Matter for Energy?
A practical guide to the biomarkers that can help explain poor energy, recovery, and metabolic resilience without pretending one blood test explains everything.
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Mitochondrial health
When Symptoms Justify Testing
Learn when fatigue, brain fog, and recovery issues may justify mitochondrial testing, and which biomarkers can help guide a clearer next step in the UK.
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Mitochondrial testing
What mitochondrial test results mean
A practical guide to what mitochondrial test results mean, how to read them sensibly, and how to avoid overreacting to a single biomarker pattern.
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Prevention
NHS Health Check vs private preventative screening
A practical UK comparison of the NHS Health Check and private preventative screening, including where each is useful and where expectations go wrong.
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Biomarker testing
How to Read a Biomarker Dashboard
A practical UK guide to reading a biomarker dashboard sensibly, prioritising what matters first, and avoiding panic over isolated outliers.
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Mitochondrial testing
How mitochondrial testing works at home in the UK
A practical UK guide to how at-home mitochondrial testing works, from ordering and sample collection to reporting and what happens next.
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Mitochondrial health
Exercise and Mitochondrial Biogenesis Explained
A practical guide to how exercise stimulates mitochondrial biogenesis, which types of training help most, and where recovery fits in.
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Mitochondrial health
Diet and Mitochondrial Function
How diet patterns shape mitochondrial function — the macronutrient mix, meal timing, and nutrient density that actually move the needle.
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Longevity Testing
Can a blood test predict longevity?
A practical UK guide to whether a blood test can predict longevity, what biomarkers can and cannot tell you, and why trend matters more than prophecy.
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Longevity Testing
Biological age tests vs blood biomarkers
A practical UK guide to biological age tests versus blood biomarkers, and why biomarker-led longevity testing is often more useful than one dramatic age score.
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Biomarker testing
Best Biomarkers for Preventative Health
A practical UK guide to the biomarkers most often worth including in a preventative-health baseline, and how to use them sensibly.
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Prevention
At-home health screening vs clinic screening
A practical UK comparison of at-home health screening and clinic screening, including convenience, depth, cost, and when each model is the better fit.
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MeScreen Journal
What Cellular Health Tests Actually Measure
A practical UK guide to what cellular health tests measure, from mitochondrial function and inflammation to glucose control, lipids, and resilience.
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MeScreen Journal
The NHS Prevention Gap: Tests You Usually Need to Pay for in the UK
A practical UK guide to preventative blood tests the NHS does not usually offer, and where private testing can fill the gap.
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MeScreen Journal
Lp(a) explained for UK patients
A practical UK guide to Lp(a), what it measures, why it matters for inherited cardiovascular risk, and when private testing adds useful context.
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MeScreen Journal
hs-CRP Explained for UK Patients
A practical UK guide to hs-CRP, what it measures, why raised results need context, and how to interpret inflammation markers calmly.
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MeScreen Journal
HbA1c Explained for UK Patients: What It Tells You About Blood Sugar Risk
A practical UK guide to HbA1c, what the marker measures, where NHS thresholds sit, and when a private biomarker view can add useful context.
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MeScreen Journal
ApoB Explained for UK Patients: What It Tells You About Cardiovascular Risk
A practical UK guide to ApoB, what it measures, why it can refine cardiovascular risk, and when private testing may add context beyond routine care.
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MeScreen Journal
Longevity Science Round-Up, April 2026
A practical UK round-up of recent longevity science, from ApoB and inflammation to exercise, glucose control and mitochondrial ageing.
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MeScreen Journal
What Is a Mitochondrial Function Test?
Understand what a mitochondrial function test is, what it can reveal about energy, recovery, and metabolic strain, and when advanced testing makes sense.
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MeScreen Journal
Mitochondrial Health and Brain Fog
A practical guide to mitochondria and brain fog, why mental clarity depends on cellular energy, and what to check before blaming yourself for poor focus.
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MeScreen Journal
Mitochondrial Health and Fertility
A practical guide to mitochondria and fertility, including egg quality, sperm motility, metabolic health, and why reproductive function is also an energy story.
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MeScreen Journal
Mitochondrial Dysfunction Symptoms
Learn the common symptoms of mitochondrial dysfunction, what they can suggest about energy production, and which biomarkers may help guide next steps.
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MeScreen Journal
Longevity Testing in the UK
Looking for longevity testing in the UK? This guide covers preventive screening, useful biomarkers, advanced testing options, and where MeScreen fits.
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MeScreen Journal
Longevity testing Dubai vs UK: comparison guide
A UK comparison guide for longevity testing searches in Dubai, explaining preventive biomarkers, private screening and where MeScreen fits.
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MeScreen Journal
How to Improve Mitochondrial Function
Learn 12 evidence-based ways to improve mitochondrial function, from exercise and sleep to glucose control, nutrition, and advanced testing.
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MeScreen Journal
Evidence-led health optimisation in the UK
A sober UK guide to private health optimisation, biomarkers, recovery and mitochondrial testing without hype or intervention-first thinking.
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MeScreen Journal
Dubai health optimisation: UK reader context
A legacy Dubai health optimisation page kept as noindexed UK-reader context and canonicalised to the UK health optimisation guide.
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MeScreen Journal
At-Home Health Tests in the UK
A practical UK guide to at-home health tests, what offers real value, what needs caution, and where mitochondrial testing fits.
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MeScreen Journal
At-home health tests: UAE and UK comparison for UK readers
A UK reader’s guide to comparing at-home health tests in the UAE and UK, including regulation, usefulness, cost and where mitochondrial testing fits.
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