B12 Injections: How Often Should You Take Them? Invigor Medical How Often Can You Get a B12 Shot for Maximum Health? HOW TO SELF INJECT B12 AT HOME with Dr. Tyler Rogers , , If youve been prescribed vitamin B12 shots or exploring at home wellness, this step by step guide will walk you through how to do your own How Often Should You Get B12 Injections? Infusion For Health 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