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Clements RS et al
Long-Term Vitamin B12 Benefits for Overall Health Regular vitamin B12 treatment supports heart health, nerve protection, and long-term well-being
Results of therapy vary by patient and type of treatment
A rat study reported 38.4% oral bioavailability, while human oral and subcutaneous exposure remain unknown
[51] Diagnosis [edit] According to one review: "At present, no 'gold standard' test exists for the diagnosis of vitamin B 12 deficiency and as a consequence the diagnosis requires consideration of both the clinical state of the patient and the results of investigations." [52] The vitamin deficiency is typically suspected when a routine complete blood count shows anemia with an elevated mean corpuscular volume (MCV)
Side effects may still occur and vary by patient 4
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