b12 injections vitamin b12 shots information Best Injection Site: Administering The Advantages of B12 Injections
Description
The temporal association with starting B12 supplementation may simply reflect chance occurrence rather than causation

Injections may be recommended when: There is impaired absorption (for example, pernicious anaemia)

BMJ have an article "Guide to ethical approval" Search for "BMJ Guide to Ethical Approval" to find it

a balanced diet or an oral supplement covers it

A distinct metallic taste in the mouth
