Iron supports several biologic functions: an appropriate optimisation of its balance is necessary for both erythropoietic and nonerythropoietic functions (cell cycle, immune competence, brain functioning and development). In particular, iron is essential for NervousSystem development in the post-natal period, when complex neuronal connection are being completed: iron deficiency plays then anessential role in programming and influencing an optimal development of organs and systems. The large amount of scientific studies available on iron deficiency or iron deficiency anemia explains the large interest of the scientific community in the possible introduction of iron supplementation in different life eras
