Northern Nigeria has a high prevalence of child malnutrition, with around 10% of children (aged 6–59 months) acutely malnourished, one-third underweight, and over 50% stunted. This brief summarises learning from an intervention to improve micronutrient supplementation in five states in northern Nigeria (Jigawa, Katsina,
Kebbi, Zamfara and Yobe) implemented with the support of the Working to Improve Nutrition in Northern Nigeria (WINNN) programme.