vitamin b12 tablet or injection which is better Injections vs. Oral Supplements: Better? B12 Injections vs. Oral Supplements:

Many patients or their family members are capable of giving IM injections after appropriate training

The following things can cause anaemia Pernicious anaemia Conditions that affect the stomach Surgery to remove all or part of the stomach (gastrectomy) Conditions that affect the intestines e.g crohns disease, Chronic gastritis (an autoimmune condition where the body attacks its own tissues) Lack of vitamins in your diet (Strict vegetarianism) Medicines (a doctor would monitor this with regular blood test to inform patient of B12 levels) Prophylaxis of macrocytic anaemia associated with vitamin B12 The below is recommended for diet related B12 deficiency

two-sided P = 0.0027) (Table 3) [75]

doi:10.4103/0976-9668.136202

This function theoretically contributes to weight loss