why b12 injections instead of pills Shots at Home: How, Where & How Often to Inject Yourself Vitamin B12: What You Need
Description
liberating fatty acids does not create an energy deficit unless they are oxidized

SC Injection: 2-3 times per week or as directed by provider

High dose oral cobalamin may be a suitable alternative in selective cases, where intramuscular injections are not tolerated and compliance is not a problem

It may also enhance the activity of certain immune cells, which may ward off viruses and chronic disease such as cancer, according to a 2020 review in the medical journal, Nature (2)
