INational Institutes of Health ithi inhlanzi, inyama, inkukhu, amaqanda, ubisi, neminye imikhiqizo yobisi iqukethe uvithamini B12.Yengeza ama-clams kanye nesibindi senyama yenkomo eminye yemithombo engcono kakhulu kavithamini B12.Noma kunjalo, akukona konke ukudla okuyimikhiqizo yenyama.Okunye okusanhlamvu kwasekuseni, imvubelo enomsoco, nokunye ukudla ...
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