Vitamin D25(OH)

What the Vitamin D 25(OH) blood test checks
The Vitamin D 25(OH) blood test measures 25-hydroxyvitamin D, the main circulating form used to assess vitamin D status. Vitamin D contributes to normal bone, muscle, and immune function.
This test may be useful if you get limited sunlight, cover most skin outdoors, follow a restricted diet, take supplements, or want to understand whether your current vitamin D level is low, sufficient, or high.
Biomarker included

Vitamin D 25(OH)

Sample type and turnaround
This is a blood sample test. Most Leicester clinic results are available within 1 to 2 working days, and UK partner clinic results are typically available within 2 to 4 working days. Some tests can take longer depending on laboratory processing.
How to book with Healthyaa
Book online, choose the Leicester clinic or a UK partner clinic, and receive your report securely by email. There is no separate phlebotomy charge at the Leicester clinic. Partner clinics may charge a separate blood draw fee.
Related tests
You may also want to compare the Vitamin D Profile, Bone Profile, or Calcium.
Important information
Do not start or change high-dose supplements based only on website information. If your result is abnormal, discuss supplementation and follow-up testing with a qualified healthcare professional.