We observed an association between intake of Fe-fortified foods  and Hb concentration in children aged < 10 years .
Fe-fortified foods could be an effective strategy for reducing Fe-deficiency anaemia in children
OBJECTIVE To combine evidence from r and omized controlled trials to assess the effect of Fe-fortified foods on mean Hb concentration in children ( < 10 years ) .
Multi-micronutrient-fortified biscuits decreased prevalence of anemia and improved micronutrient status and effectiveness of deworming in rural Vietnamese school children.
Concurrent micronutrient deficiencies are prevalent among Vietnamese school children . A school-based program providing food fortified with multiple micronutrients could be a cost-effective and sustainable strategy to improve health and cognitive function of  school children . However , the efficacy of such an intervention may be compromised by the high prevalence of parasitic infestation . To evaluate the efficacy of school-based intervention using multi-micronutrient-fortified biscuits with or without deworming on anemia and micronutrient status in Vietnamese schoolchildren , a r and omized , double-blind , placebo-controlled trial was conducted among 510 primary schoolchildren , aged 6 - 8 y , in rural Vietnam .  Albendazole ( Alb ) ( 400 mg ) or placebo was given at baseline . Nonfortified or multi-micronutrient-fortified biscuits including iron ( 6 mg ) , zinc ( 5.6 mg ) , iodine ( 35 microg ) , and vitamin A ( 300 microg retinol equivalents ) were given 5 d/wk for 4 mo . Multi-micronutrient fortification significantly improved the concentrations of hemoglobin ( + 1.87 g/L ; 95 % CI : 0.78 , 2.96 ) , plasma ferritin ( + 7.5 microg/L ; 95 % CI : 2.8 , 12.6 ) , body iron ( + 0.56 mg/kg body weight ; 95 % CI : 0.29 , 0.84 ) , plasma zinc ( + 0.61 micromol/L ; 95 % CI : 0.26 , 0.95 ) , plasma retinol ( + 0.041 micromol/L ; 95 % CI : 0.001 , 0.08 ) , and urinary iodine ( + 22.49 micromol/L ; 95 % CI : 7.68 , 37.31 ) . Fortification reduced the risk of anemia and deficiencies of zinc and iodine by > 40 % . Parasitic infestation did not affect fortification efficacy , whereas fortification significantly enhanced deworming efficacy , with the lowest reinfection rates in children receiving both micronutrients and Alb . Multi-micronutrient fortification of biscuits is an effective strategy to improve the micronutrient status of Vietnamese schoolchildren and enhances effectiveness of deworming
We observed an association between intake of Fe-fortified foods  and Hb concentration in children aged < 10 years .
Fe-fortified foods could be an effective strategy for reducing Fe-deficiency anaemia in children
OBJECTIVE To combine evidence from r and omized controlled trials to assess the effect of Fe-fortified foods on mean Hb concentration in children ( < 10 years ) .