This is an important test to help diagnose biotin deficiency.

Venous blood
1 tests included
9 days turnaround



About Biotin

What is Biotin?

Biotin is a water-soluble vitamin that plays an important role in a variety of metabolic processes. Also known as vitamin H, it is an important cofactor for enzymes involved in the breakdown of fats, proteins and carbohydrates. Biotin deficiency can result in symptoms including hair thinning, skin problems and fatigue.

Why take the test?

This test measures the amount of biotin in the blood. It is used to diagnose biotin deficiency.


What's tested


How it works



Purchase your Kit

Just order a test online and get your kit delivered right to your door unless you are ordering a COVID-19 Fit to Fly test where you will be given appointment options to attend our clinics across the United Kingdom for a nose and throat swab PCR test at the checkout stage.



Take your test and post

Follow our simple instructions to take your sample and post back the enclosed prepaid envelope to our accredited lab for processing. We also offer home or workplace visits by a qualified nurse. For COVID-19 Fit to Fly tests you must attend one of our partner clinics for our trained collection officers to take your sample. You will then have the results emailed to you.



Get results directly to your dashboard

You will receive an email notification from our medical team when your results are available on your secure personalised health dashboard.