Addressing micronutrient deficiencies: Interventions aimed at improving the micronutrient status of children can have a positive impact not only on their growth and health but on their degree of educational achievement and their productivity as adults (Micronutrient Initiative & UNICEF,). e) Calcium is low, in some children meals so, an increased intake of dairy products and dietary calcium significantly increases their bone- mineral.f) In rural South Africa, primary school children were given biscuits fortified with beta-carotene, iron, and iodine. c) Supplementation of a child's diet with milk and other dairy products.