While the correlation between ultra-processed foods (UPFs) and adverse chronic health outcomes is well-documented, establishing a standardized, actionable definition for UPFs presents a complex challenge for policymakers and health advocates alike. Join us for a 45-minute exploration into the science, politics, and ambiguities surrounding UPF classification. This session will untangle the current debate, providing valuable context for researchers, practitioners, and leaders in nutrition education and public health.