Iron Absorption in Haiti

Mother-child pairs will be recruited! Inclusion criteria for mothers : * Women of reproductive age (18 to 45 years) * Generally healthy * Consenting to study participation Exclusion criteria for mothers : * Pregnancy or lactation * Weight \>65 kg * Chronic illnesses which may influence iron absorption * Severe anemia (Hb\<10 g/dl) Inclusion criteria for children: * Age 4 years +/- 12 months * Generally healthy Exclusion criteria for children : * Severe anemia (Hb\<10 g/dl) * Weight for height \< -2 Z scores (wasting) * Height of age \< -2 Z score (stunting) Furthermore, the following exclusion criteria apply to both mothers and children : * Chronic illnesses or medication which may influence iron absorption (will be judged by investigator) * Consumption of vitamin or mineral supplement (unless they agree to discontinue using them two weeks before beginning of the study until the las visit) * Allergies or intolerances relevant to the test meal (gluten) * Blood donation or major blood losses during the 2 months prior to the study * Illness during the 4 weeks prior to the study (will be judged by investigator)