LabwiseVitamin B12pg/mL
Vitamin B12 is needed to make red blood cells and maintain nerves. It comes mainly from animal foods.
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What Vitamin B12 measures
Vitamin B12 is needed to make red blood cells and maintain nerves. It comes mainly from animal foods.
If your Vitamin B12 is low
B12 below the range is commonly associated with a plant-based diet, absorption issues, acid-reducing medication or metformin.
Commonly associated with
- Low dietary intake
- Reduced absorption
- Metformin or acid-reducing medication
- Pernicious anemia
If your Vitamin B12 is high
B12 above the range is commonly associated with supplements or injections and is rarely a concern; occasionally it relates to liver or blood conditions.
Commonly associated with
- Supplements or injections
- Liver conditions
Typical reference range
| Group | Typical range |
|---|---|
| Adults | 232 – 1245 pg/mL |
Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.
If it is within range
Your vitamin B12 is within the range printed by your lab.
Also listed as
B12, Vitamin B-12, Cobalamin, Vit B12
Related tests
This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.