PrimeView

Vitamin B12 deficiency

This PrimeView is an illustrated summary of the Primer for vitamin B12 deficiency. Download the PDF for an accessible version

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Vitamin B12 deficiency is associated with various symptoms, of which the haematological and neurological manifestations are the most prominent. This PrimeView focuses on the causes of vitamin B12 deficiency, including inadequate intake, malabsorption, or defects in transport or intracellular metabolism.