Ferritin protein ne da ke ajiye iron (ƙarfe) a cikin ƙwayoyin halittarku, galibi a hanta, saifa (spleen) da bargon ƙashi. Ɗan kaɗan yana zubowa cikin jini, kuma shi ne gwajin ke auna. Yawan ferritin, yawan iron da kuke da shi a ajiye.
Iron shi ne jikinku ke amfani da shi wajen yin haemoglobin, ɓangaren jajayen ƙwayoyin jini da ke ɗaukar iskar oxygen. Idan ba ku samun isasshen iron, ko kuna rasa fiye da abin da kuke samu, jiki yana fara ɗiba daga ajiyarsa. Ferritin yana raguwa tun kafin haemoglobin ya ragu, shi ya sa shi ne alamar farko ta ƙarancin iron.
Don haka ferritin ba ɗaya yake da iron ba. Ku ɗauki serum iron kamar kuɗin da ke cikin aljihunku, ferritin kuma kamar asusun ajiyarku na banki.



