Timing
Collect within 3 hours of waking.
Performance & WellbeingChoose this testView a sample report
Energy & Fatigue
Measures blood, iron, thyroid and selected nutrient markers that can add useful context when exploring low energy, poor recovery or persistent fatigue.
TEST PRICE£249
PANEL23 biomarkers
COLLECTIONVenous blood
TURNAROUND5–7 working days
Mobile collection from £75. Calculate your exact cost at checkout.
How is my blood sample collected?
Arrange your own phlebotomist. Use a suitably qualified professional of your choice. We add no collection fee; any fee they charge is payable separately. Follow your kit instructions for taking and returning the sample.
Longevity Lab mobile collection. Where available, we travel to your chosen address, take your blood sample and handle onward dispatch. Enter your postcode at checkout to calculate the visit cost and choose preferred appointment times.
Laboratory analysis, expert review, personalised report and private client portal are included in the test price.
WHAT WE TEST
Biomarkers with context.
Results are interpreted together rather than as isolated numbers. Tap a category to understand the markers and health systems covered.
Blood, Iron & Nutrition+
Active B12Included within this test panelFerritinIncluded within this test panelFolate (serum)Included within this test panelHaemoglobinIncluded within this test panelMagnesium (serum)Included within this test panelRed Blood Cell (RBC)Included within this test panelVitamin D (25 OH)Included within this test panelWhite Blood Cell Count (WBC)Included within this test panel
Thyroid & Stress+
Cortisol (9am)Included within this test panelThyroid Stimulating Hormone (TSH)Included within this test panelThyroxine (T4 free direct)Included within this test panelTriiodothyronine (T3 free)Included within this test panel
Liver, Kidney & Metabolic+
Alanine Aminotransferase (ALT)Included within this test panelAlbuminIncluded within this test panelAlkaline Phosphatase (ALP)Included within this test panelCreatinineIncluded within this test paneleGFRIncluded within this test panelGamma GT (GGT)Included within this test panelGlobulinIncluded within this test panelHbA1cIncluded within this test panelTotal ProteinIncluded within this test panelUreaIncluded within this test panelUric AcidIncluded within this test panel
PREPARATION
Test under the right conditions.
Your final instructions are personalised after your Health Profile. These are the core rules that apply to this panel.
Food
Collect before food where practical.
Hydration
Be normally hydrated before collection. Avoid deliberately over-drinking immediately beforehand.
Acute illness
If you are acutely unwell, tell Longevity Lab before testing because illness can materially alter several biomarkers.
Medication
Do not stop prescribed medication unless your prescribing clinician has told you to. Record medication and timing accurately in your Health Profile.
Supplements
Record supplements and recent doses. Some supplements, including biotin, can interfere with particular laboratory assays.
01Laboratory analysis
Specialist testing through our laboratory network.
02Expert review
Results reviewed in the context of your Health Profile.
03Personalised report
Clear priorities, explanations and actionable recommendations.
04Private dashboard
Secure access to reports, progress and repeat-test comparisons.
CLIENT REVIEWS
In our clients’ words.
Read independent feedback on Google and Trustpilot.
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Trustpilot
Honest experiences, shared by our clients.
Read our Trustpilot reviewsEnergy & Fatigue
Laboratory testing, expert review and your personalised report from The Longevity Lab are included.
£249Choose this test