Arsenault JE, Brown KH. Zinc intake of US preschool children exceeds new dietary reference intakes. Am J Clin Nutr. Nov 2003;(78)5:1011-1017.
This study determined the prevalence of inadequate and excessive intakes of zinc in preschool children. In general, American preschool children had excess dietary zinc intakes, and less than 1% of children had zinc intakes below the adequate intake or estimated average requirement.