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Still, caregivers should not ignore persistent symptoms
The Best Way to Test for Vitamin B12 Deficiency A diagnosis of B12 deficiency should not be dismissed based solely on a single measurement of B12 levels in the blood
The body is not designed to produce vitamin B12 naturally
[PMID: 7929304] PubMed record related to this compound for laboratory literature review
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You should also see a clinician if you have anemia symptoms, a history of gastric surgery, suspected pernicious anemia, or if lab testing hasnt confirmed a B12 deficiency.
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