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Description
This can happen as the result of a problem known as functional vitamin B12 deficiency, where there's a problem with the proteins that help transport vitamin B12 between cells

10.1007/BF02051930 [DOI] [PubMed] [Google Scholar] Hinterseher I., Schworer C

Im hoping my new lower dose of b12 will help

doi: 10.1038/s41392-024-02107-5
