Heres why these shots are worth considering: Fast absorption : Unlike oral supplements, injections bypass the digestive system
individualized dosing and monitoring are important
Common injection sites: For Intramuscular (IM): Upper arm (deltoid) Outer thigh (vastus lateralis) often the easiest self-injection site Upper outer gluteal muscle usually requires assistance For Subcutaneous (SQ): Abdomen (at least 12 inches away from the navel) Outer thigh Back of the upper arm What are the side effects
Redness and inflammation: the injection site may become red or inflamed
[DOI] [PubMed] [Google Scholar] 72.Smelt H.J.M., Smulders J.F., Said M., Nienhuijs S.W., Boer A.K
However, the rate at which the B12 is released can be a little slower meaning that if you need B12 quickly, injections will be the better option