About this test
A comprehensive blood test with markers related to energy, recovery, and sleep, for broader insight into the factors influencing your vitality.
See the biomarkers in this test below
All-in · blood draw costs included
What's measured
TSH + Free T4 (Thyroid)
Ferritin
Vitamin B12
Folic Acid (B11)
Interpreted by BIG-registered doctors
Secure payment · 800+ collection points · Results by email
Thyroid function, regulates metabolism and energy.
Iron stores, low values reduce oxygen transport.
Plays a role in energy metabolism and nerve function.
Complementary to B12 for blood formation and energy.
Plays a role in energy, muscle function, and immunity.
Stress hormone with a strong diurnal rhythm.
Plays a role in muscle relaxation and nerve function.
Insight into red and white blood cells and platelets.
How it works
Step 1 of 4
Choose a complete package, a focused theme, or build your own test.
Packages, themes or build your ownStep 2 of 4
Choose a collection point near you and pay securely.
800+ collection points · iDEAL, Klarna, cardStep 3 of 4
Right after payment you receive your lab form by secure email. Take it to your collection point.
Secure email · walk-ins welcomeStep 4 of 4
You receive your results by secure email: clear, abnormalities flagged and interpreted by a doctor.
Uw gezondheid, inzichtelijk
Cliënt
Referentie
Afnamedatum
06-05-2025
Rapportdatum
08-05-2025
2 afwijkingen gevonden
Magnesium & Vitamine D te laag, zie toelichting
Vitamines & Mineralen
Arts-commentaar
Uw Magnesium en Vitamine D zijn flink verlaagd. Dit kan bijdragen aan vermoeidheid, spierkrampen en verminderde weerstand. Supplementen zijn doorgaans vrij verkrijgbaar in Nederland. Bij uw waarden adviseren wij echter lees meer ›
Good to know
A blood test offers valuable insight into your health, but it also has limitations. We set out both honestly, so you can make a well-considered choice.
We value honest information. For independent information on the benefits and limitations of health tests, we are glad to refer you to the Dutch RIVM, pros and cons of health tests.
Veelgestelde vragen
Yes, for this package we advise fasting for 8 hours, particularly for magnesium and cortisol. Drink water only during this period.
We recommend having your blood drawn in the morning between 7 and 10 o'clock, cortisol is at its highest then and most suitable for interpretation.
This package gives insight into values that can also be measured by your GP. You can use the report for your own insight or discuss it with your GP.
Thyroid medication affects TSH and T4. Please let us know so we can adjust the interpretation accordingly.
Some supplements (especially high-dose B12 and biotin) can affect measurements. For a baseline measurement, we recommend stopping 1–2 weeks beforehand if possible.
A single measurement is sufficient for initial insight. For follow-up or when starting lifestyle interventions, re-testing after 3–6 months is common.
Through Bloodworks Select you can add markers such as homocysteine, Holo-TC (active B12), or testosterone.
Typically within 2 business days of blood draw.
199,-
All-in, blood draw included
Customer service
Available on weekdays from 9:00 – 17:00