A member asked:

Can people who inject b12 for a long time develop skin or muscle atrophy in those injection sites?(butt)

A doctor has provided 1 answer

NO!!!: Why injecting B12??? No harm, but is there a reason? No benefit except for specific B12 deficiency due to pernicious anemia, celiac disease, intestinal surgery, weird diet, certain meds, etc. Why injecting buttock when usually given in arm?? If indicated, oral supplement is just as good in most cases. If you do not have one of the medical indications there is no benefit.

Answered 10/4/2014

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