is vitamin b12 injection better than tablets injections b12 tablets vs injections What does a B12 do? Vitamin B12 Injections vs. Oral

Your body needs intrinsic factor to absorb vitamin B12 from the food you eat

Prescription Guidelines and Dosage Conversion The rules for B12 injections help make sure people get the right amount

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Unlike oral supplements, B12 injections deliver the vitamin directly into the bloodstream , bypassing digestive absorption issues that can limit effectiveness

Your GP will investigate other common causes of elevated B12, including myeloproliferative disorders, excessive supplementation, renal failure, and certain cancers, whilst assessing whether your liver disease has progressed to a stage causing cellular damage

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