Vitamin D (25 OH)

The sunshine vitamin, easily overlooked at our peril

  • At-home test
  • Doctor reviewed
Sample
Blood
Collection
At-home finger-prick or Tasso autodraw or venous draw at clinic or nurse home visit
Results in
1 day
Biomarkers
1
Doctor reviewed
Yes
Tests for
  • Vitamin D

Test specifications

Sample type
blood
Collection method
at-home finger-prick or Tasso autodraw or venous draw at clinic or nurse home visit
Turnaround time
1 day
Biomarkers tested
1
At-home test
Yes
Doctor reviewed
Yes
Gender focus
Both

What's tested

1 biomarker as listed by Blue Horizon Medicals.

Vitamins

  • Vitamin D

About this test

Vitamin D deficiency is very common in the UK, with low levels now known to cause weakened immune systems and fatigue as well good bone health. It is manufactured in the skin through sunlight exposure and is found in several foods. Prolonged Vitamin D lack can cause osteomalacia in adults (ricketts in childhood), diseases which causes severe structural deformities to the skeleton.

Lower level Vitamin D deficiency can lead to a number of non-specific symptoms, including chronic pain, weak bones, frequent infections depression and fatigue.

It has been estimated that between 50-70% of people living in the northern Europe (where daylight length reduces your chances of receiving adequate sunlight in the winter) are deficient in this vitamin by March each year which is why health screening for this important vitamin is essential.

What is a vitamin D blood test for?

A Vitamin D Blood Test is usually conducted to determine if a patient has the correct level of Vitamin D in their blood.



What are the signs of low vitamin D?

If a patient is deficient in Vitamin D they may show signs such as Bone Pain/Weakness, Muscle Pain/Weakness, Fatigue, Mood Changes/Depression, Frequent Infections, Hair Loss and more.



What level of vitamin D is too low?

Typically levels of Vitamin D are measured in nmol/L (nanomoles per liter), if a patient is low in Vitamin D we would expect this to be less than 50 nmol/L, however, this may differ depending on which laboratory has been used for testing. If a patient's results did show that they had deficient or excessive levels of Vitamin D this would be highlighted on the laboratory report.

Description provided by Blue Horizon Medicals.

Compare with similar tests

This test belongs to our Vitamin D test comparison group. See how it stacks up against equivalent tests from other providers.

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Vitamin D (25 OH) Blood Test

Do you often feel tired, rundown, or struggle with muscle aches and pains? You may have vitamin D deficiency, especially if you spend little time outdoors, have darker skin, or are over 65 - all factors that can affect your ability to produce vitamin D.

  • At-home test