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If you have a diagnosed B12 deficiencysuch as from pernicious anemia or certain gastrointestinal issuesyour initial treatment may involve weekly B12 injections for several weeks
It is important to understand that the landscape of peptide regulation is mixed
The second main cause of vitamin B 12 deficiency is from not having enough in the diet
MedlinePlus lists liver disease, including cirrhosis and hepatitis, among the recognized causes of an increased B12 level
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