What causes B12 deficiency in older adults?

Answered by 1 Apollo Doctors

Dr Shaik Kalam

General Practitioner

MD (Physician)
3+ Yrs

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Older adults are particularly at risk of vitamin B12 deficiency because of the high prevalence of atrophic gastritis-associated food-cobalamin (vitamin B12) malabsorption, and the increasing prevalence of pernicious anaemia with advancing age. Not only this, certain medications can also result in B12 malabsorption and result in deficiency.

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Answered 24/07/2025

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