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Lab report

Vitamin B12: normal range and what your result means

Also called b12, vitamin b12, vit b12, cobalamin

What this test measures

Vitamin B12 is needed for nerves and blood. Low levels are common in vegetarians and in people on metformin.

Vitamin B12 ranges for adults

Result (pg/mL)	What it means
under 200	LowYour B12 is low. A doctor usually prescribes tablets or injections.
200 to 299	BorderlineYour B12 is on the low side. A doctor may suggest a supplement, especially if you have tingling or tiredness.
300 to 899	NormalYour B12 is in the healthy range.
900 and above	HighA high B12 is usually from supplements. If you do not take any, mention it to your doctor.

Labs use slightly different ranges. Always compare with the range printed on your own report.

What helps

Have milk, curd, paneer, eggs, fish or meat regularly.
Vegetarians and people on metformin may need a supplement - ask your doctor.

Talk to a doctor if

Your B12 is below 300
You have tingling or numbness in hands or feet, or memory problems

The right doctor for this

General Physician

Show your report to a doctor online and get a clear plan. If you are not sure who to see, a general physician is always a safe place to start.

Consult a General Physician Book a home test: Vitamin B12

Check your Vitamin B12 value

1 Choose the tests on your report

Common

2 Type your values

Vitamin B12

Vitamin B12 is needed for nerves and blood. Low levels are common in vegetarians and in people on metformin.

Your value (pg/mL)

Type your value to see what it means.

Private and not a diagnosis. Nothing you type here is saved or sent anywhere. Labs use slightly different ranges, so always compare with the range printed on your own report. A result must be read together with your symptoms, age, pregnancy and medicines, so please do not start or stop any medicine on your own.

Check all your report values

Consult a doctorGeneral Physician Book test

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Emergency numbers in India

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Where to read more

Public health sources written for patients rather than for doctors, and kept up to date.

Ministry of Health and Family WelfareOfficial Indian health programmes, advisories and public guidance World Health Organization health topicsGlobal fact sheets written for the public, on hundreds of topics NHS health A to ZPlain language pages on symptoms, conditions, tests and treatments MedlinePlusPatient information from the United States National Library of Medicine Tele MANASIndia's national mental health support service, free and available all day

Important: Everything in Teleprac patient resources is general health education. It does not give you a diagnosis and it cannot replace examination by a qualified doctor, because it does not know your age, your reports, your pregnancy or the other medicines you take. Please do not start, stop or change any medicine on your own. Teleprac Healthcare is not liable for decisions made on the basis of this information. In an emergency, call your local emergency number or go to the nearest hospital immediately.