b12 injection what is it Benefits of Vitamin Injections for Skin B12 Injections | Vitamin B12
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It helps prevent anemia, a condition in which your blood does not have enough healthy red blood cells

On the other hand, those with methylation issues (MTHFR gene mutations carriers, for instance) do best on methylated B12, that is, methylcobalamin
If a person is pregnant, a medical professional may administer IV hydralazine or oral nifedipine
