Vitamin B12, also known as cobalamin, is an essential nutrient that plays a vital role in the body’s metabolism, nerve function, and blood cell production. Vitamin B12 injections are often used to treat vitamin B12 deficiency, which can cause a variety of symptoms, including fatigue, weakness, anemia, and nerve damage.
Vitamin B12 injections are typically given intramuscularly, meaning they are injected into a muscle. The most common injection site is the upper arm, but other sites, such as the thigh or buttocks, can also be used. Vitamin B12 injections are usually given once a month, but the frequency of injections may vary depending on the individual’s needs.