Welzo Test Centre
833, 19 - 21 Crawford Street, London, W1H 1PJ
+44 20 3048 3003
Monday to Friday
09:00 - 18:00
10:00 - 16:00
Regstered healthcare professionals
Same day appointments
24/7 customer service
How it works
Order as many tests as you require online
Test arrives to a UK address via Royal Mail Next-Day Delivery (order before 4pm weekdays) Free Shipping Included.
Swab & Test
Use a smartphone or computer to upload a photo of your test & passport to our portal for results within 15 minutes.
Results & Certification Emailed securely. Certificate Signed & Verified By Our Doctors Within 15 minutes.
What is a normal range of vitamin D?
You will receive a result email and doctor-signed travel certificate.
When should vitamin D levels be checked?
Vitamin D levels can be checked at any time, but it is best to do it in the morning, before taking any vitamin D supplements. This will give you the most accurate reading of your levels.
What are the symptoms of low vitamin D?
The symptoms of low vitamin D can be subtle and may not be apparent for years. They include:
-Impaired wound healing
-Increased risk of infections
If you think you may be deficient in vitamin D, talk to your doctor about getting a blood test.