severe pain after b12 injection Why do I feel worse a injection? Vitamin B12 Deficiency Anemia: Symptoms,

Response: We appreciate commenters' recommendation to assign more weight to numerator component (3)

The Centers for Disease Control and Prevention (CDC) provides guidelines to ensure safe use and prevent patient harm from improper use

Bring your medication list and any recent lab results so we can make the visit more productive

B12 shots are highly effective It helps treat some issues, improve mood, and even boost energy levels

If you are severely deficient in vitamin B12, you might be recommended B12 shots every other day for about two weeks to replenish your B12 stores and correct symptoms

Food and Nutrition Bulletin 2015;36(Suppl 2):S10918