vitamin b12 injections administration at Home - Safety Guide for Self-Administration How to Give a B12
Description
If you are experiencing side effects without clear benefits, the trade-off does not make sense
16 August 2010

So, its best to consult with a healthcare provider and follow their expert medical advice instead of taking matters into your own hands

You get the full dose every time, with no guessing about how much your body actually used

B12 deficiency may cause nerve damage, such as numbness and tingling in the hands and feet

AAFP (2017, with ongoing relevance)
