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why did my b12 injection hurt Are Shots Safe? Royal Palm Beach Medical Group B12 Injections for Energy: Benefits
Description
PMID: 25756278 11 Evaluation of a New Sublingual Methylcobalamin Dosage Regimen for Childhood Vitamin B12 Deficiency

It is important to rotate your B12 injection sites to keep your skin healthy, as repeated shots in the same site may cause scarring or swelling

Vitamin B12 deficiency becomes increasingly more common as we age affecting up to 20% of adults over 60

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