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how will i feel after b12 injection Benefits of Vitamin Shots Why Do I Feel Worse
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[DOI] [PubMed] [Google Scholar] 3.Ahmad I, Hussain W

Contact your GP for persistent worsening symptoms, new neurological problems, irregular heartbeat, or concerns about your response to treatment

If improvement occurs, continue the protocol that is working

Once your vitamin B12 deficiency is stabilized, injection frequency can often be reduced