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
Additionally, chronic use of certain medications as well as periods of intense stress can reduce the stores of vitamin B12 within the body
Mix It With Saline Next, youll want to get saline (sodium chloride, 0.9%)
It also depends on the frequency at which you get B12 shots
However, if your body isnt receiving sufficient B12 vitamins, its not unusual to notice drastic changes in your weight
Oral Supplements You can supplement vitamin B12 through either injections or oral supplements