Biomarker Encyclopedia · vitamins & minerals · Sutton Coldfield

Vitamin B12

Also known as: B12, Cobalamin

Vitamin B12 is a nutrient needed for the normal function of the nervous system and the formation of red blood cells. At The Vesey Private Hospital in Sutton Coldfield, Vitamin B12 is available within 11 private blood test panels, with clinician-reviewed results. This page is educational and does not replace personalised medical advice.

What Vitamin B12 measures

Vitamin B12 is a nutrient needed for the normal function of the nervous system and the formation of red blood cells. The test measures the amount present in the blood.

Why it is tested

Vitamin B12 is measured during nutritional assessment and when investigating tiredness or related symptoms. It is included in nutritional and anaemia-related panels.

Tests that include Vitamin B12 at The Vesey

Guide prices are read from the current Vesey catalogue and confirmed at booking.

Vitamins and Minerals

Guide price from £174

Anaemia Profile

Guide price from £193

Lifestyle Screen

Guide price from £194

Tired All The Time?

Guide price from £217

5 further Vesey panels include Vitamin B12. See all blood test panels →

Related biomarkers

Other markers in the vitamins & minerals group:

Frequently asked questions

Why is B12 measured with folate?

B12 and folate work closely together in red blood cell formation, so they are often measured as a pair. Interpreting both gives a fuller nutritional picture.

Reviewed by Dr Greg Spencer · General Practitioner · Last reviewed 2026-07-07

This page is for general education and information only. It is not medical advice, a diagnosis, or a recommendation for any specific test or treatment, and it does not include reference ranges, which are laboratory-dependent and interpreted by a clinician. Guide prices are indicative and confirmed at the time of booking. Always discuss your health and any test results with a qualified clinician. In an emergency call 999; for urgent non-emergency advice call NHS 111.

Private blood testing in Sutton Coldfield

Clinician-reviewed results. No GP referral needed.

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