Sucrosom5al Iron Supplementation in Blood Donors

Inclusion Criteria: * Deferral from donation because of low capillary hemoglobin (Hb) \<12.5 g/dl (women) and Hb \<13 g/dl; * Otherwise eligibility for donation according to medical history; * Ferritin at the time of deferral \<30 ng/ml; * Last whole blood donation \>2 months prior to current hemoglobin level; * Written informed consent; * Venous Hb \<12.5 g/dl (females) and \<13.5 g/dl (men); Exclusion Criteria: * Lack of legal capacity or court-appointed representation; * Known pregnancy; * Lactation period; * Chronic diarrhea or known inclination for diarrhea; * Known or suspected fructose intolerance; * iron supplementation during the last three months; * continuous or expected blood loss (capillary oozing); * hypermenorrhea; * planned surgical intervention with relevant blood loss within the next 3-4 months (duration of study); * application of another iron supplementation during the next 3-4 months; * intended application of preparations for a systematic increase of red blood cell and hemoglobin concentration or production (e.g. erythropoietin preparations, packed red blood cells) for the duration of the study; * parallel participation in another clinical trial with insurance coverage; * foreseeable compliance issues; * foreseeable unavailability for the time of the final examination; * Incompatibility with any of the ingredients of the product; * Anemia requiring acute therapy: Hb \<8g/dl (as indication of an obligatory correction of the hemoglobin level to a clinic…