needles for b12 injections needle guage im injection Purchase (PrecisionGlide) 1 inch or 1/2inch at BiosenseClinic what size needle im B12 Injection Needle Size |

Learn where to self-administer a B12 shot and how to do it painlessly This article was medically reviewed by Shari Forschen, NP, MA and by wikiHow staff writer, Amber Crain

It is possible for needles to become infected or contaminated after being reused

This size is recommended so that the needle reaches the muscle tissue where the B12 can be absorbed effectively

Signs that youre not getting enough B12: Fatigue Weakness Confusion Memory issues Headaches Depression Pale skin Pain and swelling in the mouth or tongue Erectile dysfunction Vitamin B12 Benefits B12 is linked to several important functions in the body, including: Red blood cell formation Your body needs B12 to produce healthy red blood cells

But it may cause more discomfort during insertion