a patients were taught to self inject b we could buy injectable B12 OTC This paper from 1983 focuses on pernicious anaemia rather than the many other causes of B12 deficiency, much like today, patients who do not have a definitive diagnosis of PA are considered to be in need of less treatment (or none at all) despite the severity of symptoms being exactly the same
Don't leave it out at room temp
Always talk to a doctor before starting supplements
Ideal candidates for B12 injections include individuals who may be experiencing fatigue, low energy levels, or symptoms of vitamin B12 deficiency, such as weakness, numbness, or mood changes
So, if you're feeling unwell due to a deficiency, restoring B12 levels might help you feel well enough to eat normally, but it's not "making" you gain weight in an unhealthy way
It helps make red blood cells, keeps your nerves healthy, and turns food into usable energy