Vitamin D Test Kit

(At-home blood test)

The Vitamin D Test Kit is a quick and effective blood test kit that you can use to measure your vitamin D levels at home. Vitamin D is crucial for bone health and muscle function, and in the UK about 1 in 5 people have very low vitamin D levels. During the winter, most people have suboptimal vitamin D levels due to a lack of sunlight.

Each Test Kit comes with a free review from a UK clinician who can offer personalised health advice based on the outcome of your test.

Results received in
3-5 days
£60.00 / kit

Our promise

If you’re new to Numan, here's how we do things.


We’re regulated by the Care Quality Commission.


Our team of clinicians and health experts can support you along every step of your treatment journey.


All our deliveries are free, discreet and fast.

How home blood tests work

  1. Collect a blood sample using the equipment provided in your blood test kit and post it to our partner laboratory for free.
  2. Get your results in 3-5 days after your blood sample reaches the lab.
  3. Receive expert feedback from a clinician based on the outcome of your blood test.

Why vitamin D is important

The body needs vitamin D to function at its best. Here are a few of the ways it gives your health a helping hand.

Supports a normal immune system

Vitamin D helps to maintain a normal immune system, which is essential because the immune system is one of the body’s most important lines of defence against infection.

Maintains normal bones and teeth

The strength of your bones and teeth is largely dependent on your vitamin D levels because vitamin D helps your body absorb calcium (a key nutrient for healthy bones).

Contributes to normal muscle function

Normal muscle function is important for day-to-day activities as well as keeping fit. Vitamin D helps muscles function normally so you can continue to enjoy the activities you love most.

How Numan works

It’s healthcare without the hassle.

Free online consultation

Once complete, your consultation will be reviewed by our clinicians. Most prescriptions are approved the same day.

Free, discreet, speedy delivery

Free, discreet, speedy delivery

If your treatment is approved, it’ll be dispatched to you discreetly within 24 hours.

Continuous care

Have any questions or want to change your medication? Speak to our clinicians and they’ll be able to help.

Cancel anytime

If you’re not happy with the service, or simply don’t need treatment anymore, you can cancel anytime.

Vitamin D Test Kit: facts you need to know

Straightforward answers to frequently asked questions.

Defeat deficiencies