how do b12 injections make you feel Best Vitamin Injection Site: Administering B12 Shots How to Inject Vitamin B12

Performing several roles within the body, B12 supports the normal function of nerve cells and plays a vital part in the synthesis of red blood cells and DNA

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By Alaiyka Parvez Owner, CoLaz Aesthetics Clinic The short version Most people feel more energetic after a B12 injection, but a minority feel briefly worse for a day or two, and that is usually harmless