Vitamins & Minerals

Vitamin B12

Vitamin B12 (cobalamin) is a water-soluble vitamin. It is found naturally in animal products.

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Medically Reviewed by ILoveHealthcare Advisory Board

Information verified for medical accuracy

Why is it tested?

To diagnose the cause of anemia, peripheral neuropathy (tingling in hands/feet), or memory loss.

What does a HIGH level mean?

  • Liver disease
  • Kidney failure
  • Leukemia

What does a LOW level mean?

  • Pernicious anemia
  • Vegan/vegetarian diet without supplementation
  • Crohn's disease

Normal Reference Range

200 to 900 picograms per milliliter (pg/mL)

*Ranges may vary slightly depending on the specific laboratory and testing methods used.

Related Biomarkers

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