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Individuals with risk factors for B12 deficiency including strict vegans, those with gastrointestinal conditions, patients taking long-term metformin or proton pump inhibitors, and older adultsshould discuss screening with their GP, even in the absence of obvious symptoms

Research does support the following benefits to some extent, though

Time to focus without interruptions so the visit can be completed comfortably
Perez M, Jaundoo R, Hilton K, Del Alamo A, Gemayel K, Klimas NG, et al

doi: 10.1016/j.bbamem.2020.183259 [DOI] [PMC free article] [PubMed] [Google Scholar] 15
