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When youre vitamin B12 deficient, it can lead to various symptoms including fatigue, weakness, shortness of breath, heart palpitations, and more
Subcutaneous vitamin B12 administration using a portable infusion pump in cobalamin-related remethylation disorders: a gentle and easy to use alternative to intramuscular injections
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
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
It is possible to experience various problems when you use the wrong needle size
Always use a new, sterile needle and syringe for each injection
