Korodhka weyn ee baahida fitamiin B12 waxaa sabab u ah kororka tirada dadka ee raacaya cunnada khudradda ama vegan. Maadaama aysan dhirtu si dabiici ah u soo saarin fitamiin B12, khudradda iyo khudradda waxay u badan tahay inay ku yaraato fitamiin B12, taas oo keeni karta dhiig-yaraan, daal, ...
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