25-OH-VD pahu ho'āʻo

ʻO ka Vitamin D kekahi ʻano o ka momona-soluble sterol derivatives, a ʻo kāna mau mea nui ʻo ka vitamina D2 a me ka vitamina D3, he mau mea pono ia no ke olakino kanaka, ulu a me ka ulu ʻana.ʻO kona hemahema a nui paha e pili kokoke ana i nā maʻi he nui, e like me nā maʻi musculoskeletal, nā maʻi hanu, nā maʻi cardiovascular, nā maʻi immune, nā maʻi kīkī, nā maʻi neuropsychiatric a pēlā aku.Ma ka hapanui o nā kānaka, loaʻa mai ka huaora D3 mai ka photochemical synthesis i ka ʻili ma lalo o ka lā o ka lā, aʻo ka vitamina D2 ka nui mai nā meaʻai like ʻole.Hoʻopili ʻia lāua ʻelua i loko o ke ake e hana i ka 25-OH-VD a hoʻololi hou ʻia i loko o ka puʻupaʻa e hana i ka 1,25-OH-2D.ʻO 25-OH-VD ka waihona mālama nui o ka huaora D, ʻoi aku ma mua o 95% o ka nui o ka VD.No ka mea he hapalua kona ola (2 ~ 3 mau pule) a ʻaʻole i hoʻopilikia ʻia e ka calcium koko a me nā pae hormone thyroid, ʻike ʻia ʻo ia he hōʻailona o ka pae ʻai meaʻai D.