are b12 injections painful is vitamin injection Vitamin Injection (IM Shot) why are b12 injections so

are b12 injections painful

are b12 injections painful is vitamin injection Vitamin Injection (IM Shot) why are b12 injections so

Name: are b12 injections painful is vitamin injection Vitamin Injection (IM Shot) why are b12 injections so
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Description

Excess vitamin B12 is linked to increased cancer growth in certain types of cancer.[ref] Methotrexate, a chemotherapy drug, works by inhibiting the production of methyl folate, thus limiting methionine and DNA synthesis for cell growth

Reported adverse effects included mild injection site reactions and transient headaches

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[Updated 2024 Jan 31]

The injection provider can administer the B12 shot deep into the muscle (intramuscularly) or into the tissue layer between the skin and the muscle (subcutaneously)