Deltoid Muscle Injection The deltoid muscle is a common site for intramuscular (IM) injections, especially vaccines! What gauge needle do you use for an IM injection? Answer in the comments! #medicationadministration #IMinjection # Lets do my first B12 injection together This is something Ive been nervous about for a long time, but today I finally did itand it honestly wasnt bad at all. I used the Union Medico needle guide Vitamin C and B12 Injection Techniques How Much Do Vitamin B12 Injections Cost? Coastal Medical Aesthetics Best practice for deltoid intramuscular vaccinations Pharmacy Today Vitamin B12 Sampler (3 Pack)