why do i have to have vitamin b12 injections Benefits of for Optimal Health Vitamin Injections Explained: Benefits, Process
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Vitamin B12 is added for its role in energy metabolism

doi:10.1371/journal.pone.0034906

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Folate (folic acid) serves as a precursor for the synthesis of 5-methyltetrahydrofolate (5-MTHF), which acts as a methyl donor

Some people eventually learn to self-administer at home, but this requires proper training and should only be done under medical supervision
