Same: The injectable B12 is the same formulation for subcutaneous use as for intramuscular use. Both delivery routes are equally life-saving in the treatment of true pernicious anemia, and equally worthless (but safe) for everything else.
Answered 11/18/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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