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[DOI] [PubMed] [Google Scholar] 72.Freund P, Wheeler-Kingshott CA, Nagy Z, Gorgoraptis N, Weiskopf N, Friston K, et al

Choose Vitamin B12 Injections If: Deficiency is severe Neurological symptoms are present Digestive absorption is impaired Rapid improvement is required Choose Oral Supplements If: Deficiency is mild Absorption is intact You prefer a non-invasive method Long-term maintenance is needed There is no universal answer to B12 injections vs oral supplements which is better?"

Pyridoxine (B) is notably used during pregnancy to treat nausea and vomiting

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