Nakuba abanye bethi imijovo ye-vitamin B12 ingasiza ekwehliseni isisindo, ochwepheshe abakutusi lokho. Zingabangela imiphumela emibi futhi, kwezinye izimo, ukungezwani komzimba. Abantu abakhuluphele ngokweqile banamazinga aphansi evithamini B12 kunabantu abanesisindo esijwayelekile, ngokocwaningo lwango-2019. Kodwa-ke, amavithamini awanawo ...
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