Zinc Absorption From Fortified Water

Inclusion Criteria: * Male or female of 18 to 45 years old * Body Mass Index in the range of 19 to 25 * No mineral and vitamin supplements two weeks prior to the study and during the whole duration of the study * Signed informed consent Exclusion Criteria: * Any metabolic, gastrointestinal or chronic disease (according to the subjects own statement) * Long-term medication during the whole study (except for contraceptives * Vegans * Smoking * Pregnancy * Lactating * Intention to become pregnant during the course of the study * Lack of safe contraception, defined as: * Female subjects of childbearing potential, not using and not willing to use a medically reliable method of contraception for the entire study duration, such as oral, injectable, or implantable contraceptives, or intrauterine contraceptive devices, or who are not using any other method considered sufficiently reliable by the investigator in individual cases. * Consumption of mineral and vitamin supplements within 2 weeks prior to 1st test meal administration * Earlier participation in any nutrition study using Zn stable isotopes as well as participation in any other clinical study within the last 30 days and during this study