Background: Nganjuk was included in 7districts with highest malnutrition in East Java. Prevalence index of weight/age was 4.80%, height/age was 17.40% and weight/height was > 20% (Riskesdas, 2008). In 2009 malnourished under five children was 715. Objective of this research was analyzing the effect of zinc supplement and biscuit MP-ASI for the nutritional status and hair zinc concentration for …