b12 injections pros and cons Vitamin Injections: What You Need To Know b12 deficiency injections side effects

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

Upper arm or shoulder area (right into your deltoid): The deltoid is the preferred area if someone you know is giving you the injection at home

Administering the Injection Choose the Injection Site : IM Injection Sites : Common sites include the deltoid muscle (upper arm), gluteus maximus (buttocks), and vastus lateralis (thigh)

Your body requires vitamin B12 to work more effectively

Vitamin B12 Benefits If you have a deficiency, B12 supplementation can: Enhance alertness and cognitive function Encourage the synthesis of healthy red blood cells Aid in controlling sleep cycles Bolster the immune system Aid in weight management and boost metabolism

Because of this, lots of people have mild to moderate vitamin B12 deficiencies due to unbalanced diets or other factors