vitamin b12 injections for hair growth Do you know what is

It must be absolutely clear in the advertising of such products that they do not have a medical purpose. So the same B12 (hydroxocobalamin in this case), from the very same manufacturers, is at the very same time

Research models use both approaches

The best method depends on you, your need, and your comfort level with B12 shots and the subcutaneous method may be the most useful, safe, and convenient way for you

2010 Sep 10;677(1):24-8

Benefits of B12 Shots If it turns out, you do have a deficiency your doctor may recommend you start getting vitamin B12 injections

This is why it's particularly important during periods of rapid growth, such as pregnancy and childhood