should b12 be injected subcutaneously or intramuscularly Vitamin Injection Sites: All You Need to Know vitamin b12 injection intramuscular or

Some people with vitamin B12 deficiency may experience depression or mood changes, and vitamin B12 injections may help to improve mood in these cases

A blood test is an indication for how much the brain might have access to B12, but if for instance the blood-brain barrier does not absorb enough B12, the brain will have too little B12, while the blood test is normal

Injections are the most effective treatment for vitamin B12 deficiency

Let's explore its importance and why some people require injectable B12 for humans

NHS guidance is clear that it should be prescribed and given by, or under the supervision of, a suitably qualified professional