B12 Injections: How Often Should You Take Them? Invigor Medical Wow guys, you've been gate keeping!! Got my first B12 injection last week and it's like I am awake for the first time since having kids 20 years ago It's B12 Injections at Home Safety Guide for Self Administration Infusion For Health B12 Injection Frequency: How Often Should You Get a B12 Shot? Liv Hospital Main benefits of B12 injections 1) Increased energy & reduced fatigue B12 helps convert food into usable energy Deficiency often causes tiredness, weakness, and low stamina 2) Healthy red blood cells Prevents B12 Injection Frequency: How Often Should You Get a B12 Shot? Liv Hospital