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Nutrition. 2006 Jan;22(1 Suppl):S26-32.

Effect of micronutrient supplement on health and nutritional status of schoolchildren: mental function.

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  • 1Division of Field Studies, National Institute of Nutrition, Hyderabad, India.



We evaluated the effect of a micronutrient-fortified beverage on mental function in schoolchildren.


This double-blind, placebo-controlled, matched-pair, cluster, randomized feeding trial assessed baseline before supplementation and after 14 mo in a cohort of 608 children aged 6 to 15 y who received a micronutrient-fortified beverage or placebo. Children in two classes (clusters) in each of nine grades were assessed for intelligence, attention and concentration, memory, and school achievement.


Mean intelligence quotient scores of the micronutrient-fortified beverage group and the placebo group at baseline and final follow-up were not significantly different. Mean verbal and performance scores and increments were also not different. After supplementation, attention-concentration increment scores of the micronutrient group were significantly higher (P < 0.05) than those of the placebo group. Mean and incremental scores of the supplemented group on the memory scale were not significantly different from those of the placebo group.


Supplementation with a beverage fortified with a range of micronutrients significantly improved attention-concentration over 14 mo, but not intelligence quotient, memory, or school achievement among middle-income schoolchildren.

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