how do vitamin b12 injections work Shots at Home: How, Where & Often to Inject Yourself Vitamin B12 Injections - Vie

But even then, the injection site makes a difference

A personalized approach helps ensure optimal results while supporting overall health and wellness

Some tips to get you through the transitional period when starting B12 therapy include: Resting more until the fatigue and flu-like feelings pass

Clean the injection site with an antiseptic

Common experiences after the first injection include: Mild soreness or redness at the injection site (usually resolves within 12 days) Slight improvement in energy levels or mood No immediate noticeable change (particularly common if deficiency is severe) Rarely, mild side effects such as headache or dizziness Some patients report their urine becoming brighter or more intensely coloured following injection, which occurs because excess B12 is excreted renally

DOI: 10.1038/s41598-024-66034-9