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doi: 10.1113/expphysiol.2013.073163 24 BolignanoDCabassiAFiaccadoriEGhigoEPasqualiRPeracinoAet al

The injections are prescribed by a doctor and given intramuscularly (into a muscle)
A patch test before full application can identify potential sensitivities

It may also lead to nerve problems such as numbness and tingling in the hands and feet

How might genetic factors affect my MIC B12 response

Who do I recommend this for
