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

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

Theyre all affected by how much NAD+ you have in your cells

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

If your tirzepatide vial has been sitting on a windowsill or under fluorescent lights, oxidation damage may have occurred well before the printed expiration date

So my guess its to do with my stomach