b12 injections route of administration Shots at Home: How, Where & How Often to Inject Yourself Best Vitamin B12 Injection Site:

Not only does Vitamin B12 contribute to metabolism, helping the body create and use energy and also maintain a healthy weight, but it also is a vital player in the nervous system contributing to the creation of red blood cells and the replication of DNA

Retrieved from Boukssim, S., & Chbicheb, S

Older Adults : As we age, our bodies become less efficient at absorbing B12 from food, increasing the risk of deficiency

The route of administration matters

This method bypasses potential absorption issues in your digestive system, making it a key treatment for people with a diagnosed B12 deficiency, pernicious anemia, or certain absorption disorders