Fingerstick at home – no collection point needed
- You receive a fingerstick kit with clear instructions
- Easily collect a few drops of blood yourself
- Return via medical mail to the lab
Vitamin D3 (fingerstick)
25‑OH‑vitamin D; bone and immune system.
€22.95EUR
€5.95EUR
Costs are per order
- TrustPilot 4.6/5 sterren
- No GP referral needed
- Reviewed by BIG-registered physician
- ISO 15189 Certified laboratory
- At-home fingerstick collection
- Order today, ships today
Fingerstick at home – no collection point needed
- You receive a fingerstick kit with clear instructions
- Easily collect a few drops of blood yourself
- Return via medical mail to the lab
What is Vitamin D3?
Vitamin D is an essential vitamin primarily known for its role in promoting the absorption of calcium, which is important for the development and maintenance of strong bones. Furthermore, it plays a role in the immune system, muscle function, and reducing inflammation.
Why should you have Vitamin D3 tested?
Testing for vitamin D is useful to determine whether you have sufficient vitamin D, which is essential for good bone health and a strong immune system. It is particularly helpful during the autumn and winter months when sunlight, which contributes to the natural production of vitamin D, is scarcer.
What does it indicate?
A vitamin D test indicates the amount of vitamin D in the blood, which provides a direct indication of bone health, immunity, and overall well-being.
What does a high vitamin D level mean?
A high level of vitamin D in the blood usually indicates sufficient vitamin D intake, which is beneficial for bone health and the immune system. However, extremely high values can carry risks, such as calcium build-up that can lead to damage.
What does a low vitamin D level mean?
A low level of vitamin D may indicate a deficiency, which can lead to bone weakness, bone deformities, or an increased risk of fractures. It may also suggest a risk for certain diseases, including autoimmune and infectious diseases.


