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 Vitamin B12 Self Administration Tutorial (thigh) B12 Injection Frequency: How Often Should You Get a B12 Shot? Liv Hospital How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust How To Give Vitamin B Injections (HD) YouTube