School Wide Activity

Initiative Description: A four-arm intervention study comprising a placebo arm and three supplement intervention arms: one with B vitamins, iron and zinc at about 1RDA per day, one with omega 3 fats and the third a combination of these two.

Study Results: There are significant associations between iron status and cognitive performance (verbal learning and memory) in both apparently adequately and marginally nourished school-age children.

Reference: Calvaresi, E., Wilson, C., Syrette, J., Wyld, B., & Baghurst, K. (2005). Effect of a nutritional intervention on cognitive performance in primary school aged children in Australia and Indonesia. Asia Pacific Journal of Clinical Nutrition, 14, S73. Retrieved from

Level of Evidence: 3 out of 5 stars Very Good