b12 injections other names Vitamin Injection: Energy Boost and Anemia Treatment — Mountainside Medical Cyanocobalamin (Vit B12) Injection for
Description
That said, taking your dose at the same time every day matters more than hitting an exact hour

Hollman G, Kristenson M

Say goodbye to feeling worse after your B12 injection and hello to renewed vitality and well-being with ThinWorks

Yes, but only if Modifier 25 is applied to indicate a significant, separately identifiable E/M service performed on the same day

a true vitamin B12 overdose is extremely rare
