Vitamin B12 (Active) Blood Test
Is it for you?
Vitamins (1 Biomarker)
Special instructionsDo not take vitamin B12 for two weeks prior to this test. If your B12 is prescribed ask your doctor whether you should stop before testing. Do not take biotin supplements for 2 days prior to this test. If you are taking prescribed biotin you should discuss this with your doctor.
From the expert
Why take this test?
- You simply want to check you are getting enough vitamin B12 in your diet
- you are experiencing symptoms which you think might be related to vitamin B12 deficiency
- You are vegetarian or vegan and want to check your vitamin B12 level
- You have Crohn's or coeliac disease and want to check you are absorbing vitamin B12
Laboratories you can trust
Trusted by the NHS and private clinics alike, you can be sure of the highest testing standards from our fully accredited partner laboratories.
of your results
One of our team of doctors will review your results and give you personalised advice based on your medical history, lifestyle and health and fitness goals.
Discover the easy way to track your health through our online portal, my.medichecks.com. View your results with doctor's advice, monitor any changes over time and see the improvements you can make to your health with simple lifestyle changes.
Questions? Let us help
Our customer care team is on-hand to help you find the test that's right for you. Get in touch via phone, live chat or email.
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