White rice sold in Hawaii, Guam, and Saipan often lacks nutrient enrichment.
Leon Guerrero RT, Gebhardt SE, Holden J, Kretsch MJ, Todd K, Novotny R, Murphy SP. White rice sold in Hawaii, Guam, and Saipan often lacks nutrient enrichment. J Am Diet Assoc. 2009 Oct; 109(10):1738-43.