Addressing the Gaps in the Vitamin B12 Deficiency 2024 NICE Guidelines: Highlighting the Need for Better Recognition, Diagnosis, and Management of Pernicious Anaemia.

The 2024 NICE guidelines on vitamin B12 deficiency have significant implications for the diagnosis and management of pernicious anaemia (PA), the commonest non-dietary cause of such deficiency. This perspective discusses the guidelines in relation to PA itself, suggests that clearer diagnostic protocols are required, and calls for clinician education to improve the patient journey for those with PA.