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A member asked:
How bad is a b12 level of 221 pg/ml? is it minimum or good or optimal?
A doctor has provided 1 answer
B12 levels : The normal range for vitamin B12 can vary slightly depending on the lab. But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL, like in this case, is considered borderline and your doctor may do more testing to discover why it started to get lower than normal.
Answered 10/9/2019
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