b12 injection demonstration Shots at Home: How, Where & How Often to Inject Yourself B12 Shot: Step-by-Step Guide for
Description
Sublingual B12 can be effective for mild deficiency and maintenance
Diabetologia 58 (4), 799808

This is huge news and a great relief for many, as we no longer have to guess how much of a particular vitamin is in the body

While B family (B-complex) vitamin injections are generally well-tolerated, they may not be suitable for everyone
