McReggae wrote:http://www.mostproject.org/PDF/2final.pdf
This document explains the logic very clearly in the "Forward":
"In many countries, vitamin A deficiency is a widespread problem that is not necessarily limited to specific groups of people or isolated communities. Among the interventions available, food fortification is an accepted method of delivering micronutrients to the population at large and is widely practiced in developed countries. In these countries, foods such as milk powder, butter and margarine, complementary infant foods, and breakfast cereals are routinely fortified with micronutrients, including vitamin A. The above foods, however, are not regularly consumed by the vast majority of the population in developing countries, especially among those at greatest risk of vitamin A deficiency. One food that is consumed by nearly the entire population in developing countries is sugar, which can be fortified with vitamin A. Sugar fortification is practical because target populations do not need to alter or adapt a new or costly distribution system. Indeed, sugar fortification only requires the existence of a well-established sugar production and marketing system. This allows for the uniform addition of vitamin A as well as the monitoring of its content. Fortification of sugar with vitamin A is one of the safest, most efficacious, and most cost-effective interventions to prevent and control vitamin A deficiency."
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