Zinc Absorption in Flakes Derived from Sprouted or Hydrothermally Processed Wheat

Inclusion Criteria: * BMI range 18.5-25.0 kg/m² * Regular diet with 3 meals a day (at least 5 times a week) Exclusion Criteria: * Intake of vitamin and/or mineral supplements during and 2 weeks before the stud * Intake of antibiotics 3 months prior to the study * Intake of medicines that have an impact on the gastrointestinal tract during and 2 weeks before the study * Previous or current gastrointestinal (e.g. Crohn's disease), endocrine or eating disorders or other gastrointestinal history * Previous or current substance/alcohol dependence or abuse (\> 2 units per day/14 units per week) * Currently smoking (have smoked in the last 28 days) or willingness to smoke during the study period * Pregnant or lactating or wishing to become pregnant in the period of the study * Allergy or intolerance to wheat (coeliac disease, gluten sensitivity) or citric acid * Adherence to vegan or vegetarian diets or special diets (weight loss, gluten-free etc…) * Blood donation in the 6 months prior to the study