- PrimeView
- Published:
Vitamin B12 deficiency
Nature Reviews Disease Primers volume 3, Article number: 17041 (2017)

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.
Rights and permissions
About this article
Cite this article
Vitamin B12 deficiency. Nat Rev Dis Primers 3, 17041 (2017). https://doi.org/10.1038/nrdp.2017.41
Published:
DOI: https://doi.org/10.1038/nrdp.2017.41