what is the reason for b12 injections Shot: Every Human Needs to Know About Injectable Vitamin B12 Vitamin B12 injections for MTHFR:

Turn it upside down and gently pull the plunger out to draw in the prescribed amount of B12 solution into the barrel

Common side effects of vitamin B12 supplements are generally mild and may include nausea, diarrhoea, headache, or injection site reactions when administered intramuscularly

Frequent tingling or a pins and needles feeling in your hands and feet

IGF-1 elevation : Chronic IGF-1 increase raises theoretical cancer risks and causes acromegalic changes

Patients should remain seated for a few minutes after an IM or IV dose, just to ensure they do not experience dizziness

Dexamethasone A steroid used to treat a number of common conditions including migraine headaches, symptoms related to COVID-19, nausea and vomiting and altitude sickness.