can b12 injection be given in buttocks Best Vitamin Site: Administering B12 Shots Vitamin B12 Injection Sites: All

It functions to aid in the metabolism of fat, reduces cholesterol levels within the blood and helps to convert food into energy

How it Works

The recommended dietary allowance of vitamin B12 for teens and adults 14 and up is 2.4 mcg

(PubMed) Simon JA, Hudes ES

Within sensible limits, the basics help your body hold its levels: a diet that includes B12 sources if you are not vegan, limiting heavy alcohol use, and not smoking, since both affect how you absorb and store nutrients

GPs can prescribe B12 injections following appropriate investigation, which should include: Full blood count to identify macrocytic anaemia Serum B12 and folate levels to confirm deficiency (using laboratory-specific reference ranges) Methylmalonic acid and/or homocysteine when B12 results are borderline Intrinsic factor antibodies if pernicious anaemia is suspected Additional tests depending on clinical presentation (e.g., thyroid function, coeliac serology) When both B12 and folate deficiency are present, B12 should be replaced before folate to avoid precipitating subacute combined degeneration of the spinal cord