What is a really low level of B12?
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3 min read
According to the National Institutes of Health, approximately 3.6% of U.S. adults have a vitamin B12 deficiency, with levels below 200 picograms per milliliter (pg/mL) considered truly low. This threshold, which defines what is a really low level of B12, often signals the need for clinical intervention to prevent serious, irreversible health complications.
