However, for some individuals with residual absorption capabilities, high-dose oral supplements can serve as an alternative
Parsons RB, Smith EL, Waring RH, Ramsden DB
The technique behind a safe B12 injection A subcutaneous B12 injection is given with clean hands, a fresh needle, the skin wiped and dried, and the needle inserted into a pinch of fat at roughly a 45 to 90 degree angle before the dose is released slowly
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Specifically , it plays a major role in forming red blood cells and keeping the nervous system healthy