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 How your B12 injection is given and what it does for your body In this reel, I talk through the wonderful benefits of B12 for energy, focus, and overall How to Administer a B12 Injection at Home Wittmer Rejuvenation Clinic How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust