training to give b12 injections injection course for non medics B12 Shots at Home: How, Where & How Often Inject Yourself How to Give Yourself a
Description
The goal is preventing severe nausea that makes you quit

Frequency varies based on your health goals
Be sure to check out additional resources from trusted healthcare providers or consider scheduling a consultation to refine your technique further.

Some people are naturally more likely to develop B12 deficiency: Age matters