where do you have a vitamin b12 injection Best Site: Administering B12 Shots Will my B12 Injection Work
Description
We'll use a standard U-100 insulin syringe for our measurements, where the markings denote 'units'

PMC 11050313
Most people benefit from weekly injections, but your healthcare provider can recommend a schedule tailored to your situation

The pancreas, bile duct, and duodenum all share a common blood supply

The deltoid (upper arm) is also an IM site but can be harder to reach on your own
