The anemia occurs in the 30% of the world’s population. In half of these cases iron deficiency can be revealed which is mainly caused by decreased dietary intake of iron. There are still some unknown details of iron metabolism and its regulation. The hepcidin which is a key regulator of the iron metabolism also has an important role in the pathomechanism of iron deficiency anemia (IDA). Determining the serum level of hepcidin could be a useful ...