Ultra‐Processed Food Policies and Global Nutrition Equity: The Case for a Feasibility‐Grounded, Differentiated Governance Supplement to Nova

The Nova food classification system has substantially advanced nutritional epidemiology by identifying industrial food processing as a meaningful determinant of dietary quality and health outcomes, independent of nutrient composition. Yet governance proposals derived from Nova face a structural tension inadequately resolved in the nutrition policy literature: for hundreds of millions of people across low- and middle-income countries (LMICs), humanitarian settings, and food-insecure urban environments, processed foods perform caloric, micronutrient, and therapeutic functions that are not substitutable within realistic policy timeframes. This analysis examines Nova Group 4's classification heterogeneity, the policy operability gaps it creates, and the food security realities that blanket ultra-processed food (UPF) reduction recommendations systematically ignore. The argument is not against Nova's epidemiological insights but for supplementing Nova-based guidance with a product-differentiated, feasibility-grounded governance framework-one that deploys mandatory reformulation, evidence-based fiscal and marketing instruments, protected fortification infrastructure, and food system investment as the instruments through which public health ambition becomes practically achievable.