The most common sites for B12 injections are the deltoid (upper arm), vastus lateralis (outer thigh), ventrogluteal (hip), abdomen, and outer upper arm for subcutaneous injections
Do not inject the medicine at this time
Sviri S, Khalaila R, Daher S, Bayya A, Linton D, Stav I, van Heerden P
A licensed, medically supervised team with 20+ years of experience and a 4.7-star reputation delivers a quick intramuscular shot of vitamin B12 usually methylcobalamin , the bioactive form, at about 1,000 mcg
Regardless of which option you choose, youll typically inject yourself once every one to two weeks as per your doctors directions