Vitamin B12 (Cobalamin)
Vitamin B12 is vital for DNA synthesis, healthy red blood cell maturation, and nerve sheath maintenance.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
200 – 900 pg/mL
200 – 900 pg/mL
200 – 900 pg/mL
What does a low result mean?
A modest decrease often occurs with plant-based diets, long-term antacid use, or mild changes in stomach absorption.
What does a high result mean?
An elevated level is common and harmless following recent multivitamin intake or fortified foods.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does my diet provide adequate natural vitamin B12?
- Would an oral or sublingual supplement be beneficial?
- Should we evaluate folate (vitamin B9) status together with B12?
Do you have a full blood test report?
Upload your lab document (PDF or image) to get an instant, clear explanation for every biomarker at once.
Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.