1 doctor weighed in:

Is 420.8 pg/ml of vitamin B12 low in blood ? Does this need a supplement ?

1 doctor weighed in
Dr. Donald Colantino
Internal Medicine

In brief: Normal

Normal ranges of vitb12 =200-600pg/ml.
. Therefore you don't need to supplement it. However, taking extra B12 does no harm as the body excretes what is not needed.

In brief: Normal

Normal ranges of vitb12 =200-600pg/ml.
. Therefore you don't need to supplement it. However, taking extra B12 does no harm as the body excretes what is not needed.
Dr. Donald Colantino
Dr. Donald Colantino
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