Serum Vitamin B12 Level Assessment

Enter your vitamin B12 result → Get interpretation based on standard reference range 200-900 pg/mL
Male
Female
Select Age Group:
Adult
Senior (65+)
Pregnant
Select Measurement Units:
pg/mL
pmol/L
Please enter a valid vitamin B12 level between 50 and 3000 pg/mL
📊 Reference Range: 200-900 pg/mL (adults)
💡 Note: Vitamin B12 (cobalamin) is essential for DNA synthesis, red blood cell formation, and neurological function. Deficiency can cause anemia and neurological damage.

Educational Purpose Only • Not Medical Advice • Always Consult Your Healthcare Provider
Reference Range: 200-900 pg/mL for adults (may vary by laboratory)
Note: Serum B12 has limitations. Methylmalonic acid (MMA) and homocysteine are better functional markers.
Conversion: 1 pmol/L = 0.738 pg/mL • 1 pg/mL = 1.36 pmol/L