Nutritional systems analysis involves examining the interconnected components of food systems, diets, and health outcomes. This approach considers factors such as food production, distribution, consumption, and their effects on nutrition and public health. By analyzing these systems, researchers can identify barriers to healthy eating, such as food deserts or socioeconomic factors affecting food access. Systems analysis also evaluates the sustainability of food practices and their impact on health, emphasizing the importance of environmentally friendly dietary choices. This comprehensive perspective helps policymakers and health professionals develop effective interventions that promote healthy eating patterns while addressing systemic challenges within food systems.