needles for b12 injections needle guage im injection Purchase (PrecisionGlide) 1 inch or 1/2inch at BiosenseClinic what size needle im How to Give a B12

But it may cause more discomfort during insertion

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

For intramuscular injections, 22-25 gauge is preferred, while for subcutaneous injections, 25-27 gauge is suitable

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