Agricultural extension and advisory services (EAS) are often mentioned as a promising platform for the delivery of nutrition knowledge and practices, due to the close interaction that EAS agents have with farmers through their role as service providers in rural areas. Yet the context in which any nutrition knowledge is delivered by EAS agents, and the mechanisms for doing so, is unclear. The purpose of this study was to examine the integration of nutrition and agricultural EAS in Africa, South Asia, and Latin America and the Caribbean.