Lub National Institutes of Health hais tias ntses, nqaij, nqaij qaib, qe, mis nyuj, thiab lwm yam khoom noj siv mis muaj vitamin B12.Nws ntxiv clams thiab nqaij nyug siab yog qee qhov zoo tshaj plaws ntawm vitamin B12.Txawm li cas los xij, tsis yog txhua yam khoom noj yog cov khoom noj nqaij.Qee cov zaub mov noj tshais, khoom noj khoom haus poov xab, thiab lwm yam khoom noj ...
Nyeem ntxiv