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 5 Triggers of Neuropathy and How to Get Relief Dr. Atallah DO What Happens If You Inject B12 Wrong: 6 Red Flags Your body needs vitamin B12 to keep blood cells healthy and to make your nerves work right. But what happens when you run low? Here are some signs: https: wb.md 3OUOc1J