What is a normal Vitamin B12 level?
The short answer
A typical US lab prints a normal Vitamin B12 range of 200–900 pg/mL. That range exists to catch disease, not to describe your best.
Nobody we follow has said what your Vitamin B12 should be. It comes up on the shows, but never with a number.
What Vitamin B12 measures
The B-twelve circulating in your blood.
Your nerves and your blood cell production both need it. A shortage can damage nerves before anemia appears.
Checked against MedlinePlus — Vitamin B Test.
Why it matters, on the record
“you're going to get B12 deficient over the long term that can create depression neurological problems dementia”
Common questions
What is a normal Vitamin B12 level?
Most US labs print 200–900 pg/mL. Your report grades you against that range. It exists to catch disease, not to describe your best.
What does your Vitamin B12 number mean?
On a typical lab range, under 200 pg/mL is low, 200 to 900 is normal and over 900 is high. Your own report prints its range next to your number, and that is the one your lab uses. Nobody we follow has drawn a line inside that range.
What does the Vitamin B12 test measure?
The B-twelve circulating in your blood. Your nerves and your blood cell production both need it. A shortage can damage nerves before anemia appears.
Why is there no target here?
Because nobody we follow has named a number for Vitamin B12. If that changes, it will be here.