Iron and Vitamin A in School Children

Placebo iron supplements are also three tablets containing the same ingredients as for iron tablets and will be given to the children on a weekly basis for the whole duration of the intervention (i.e. the school year of 9 months)

Three iron tablets containing 42 mg of elemental iron will be provided to the children on a weekly basis for the whole duration of the intervention (i.e. the school year of 9 months)

Children will receive in a colorful Eppendorf tube 400 micro-liter of corn oil stabilized with vitamin A twice during the intervention period of 9 months, at baseline (after enrollment) and at mid-line (4.5 months).

Children will receive in a colorful Eppendorf tube 400 micro-liter of oil-based preparation of retinyl palmitate that contains the equivalent of 100,000 IU (110μmol) of vitamin A and stabilized with 20IU of vitamin E twice during the intervention period of 9 months, at baseline (after enrollment) and at mid-line (4.5 months).