mic b12 injection vs regular b12 injection Injections MIC B12 from Fitish RX Lipotropic MIC B12 Injections at
Description
These impurities may cause irritation or reduce effectiveness

(PubMed) Traxer O, Huet B, Poindexter J, Pak CY, Pearle MS

It is inadvisable to give yourself an injection of any sort unless you are fully confident in your ability to inject the drug or supplement safely, and this applies to a B12 injection too

However, this total measurement does not always reflect the amount of B12 actually available for cellular use, which is why some patients experience deficiency symptoms despite borderline-normal results
