For those with irreversible causes such as pernicious anaemia or malabsorption, injections are usually given every 23 months
It is injected intramuscularly or subcutaneously (deep under the skin), depending on the providers instructions and patient preference
Kannt A, Rajagopal S, Kadnur SV, Suresh J, Bhamidipati RK, Swaminathan S, Hallur MS, Kristam R, Pieper MP
Injections deliver vitamins directly into your bloodstream, offering faster replenishment and better absorption for long-term benefits
Most peoples everyday diet contains enough B12, but because its not produced in plants, strict vegetarians and vegans are at a higher risk of a B12 deficiency