Assessing the Immediate Increase in Serum Ferritin After Oral Iron Doses: an Experimental Study in Iron-deficient Women

Inclusion Criteria: * Low iron stores (SF levels \< 30 µg/L), * no anemia (Hb \> 120 g/L) * no inflammation (CRP \< 5 mg/L) * 18 to 45 years old. * Body weight \<70 kg * Normal body Mass Index (18.5-26.5 kg/m2) Exclusion Criteria: * Any chronic or acute disease * Consumption of mineral and vitamin supplements since screening and over the study period * Blood transfusion, blood donation or significant blood loss over the past 4 months, * Pregnant or breastfeeding, * Continuous/long-term use of medication during the whole studies (except for contraceptives) * Therapeutic iron infusion over the past 6 months, * Known hypersensitivity or allergy to iron supplements, * Intention to become pregnant over the course of the study