NIH Perspective Proposes Sustainable Nutrition Framework

Nutrition science has traditionally concentrated on the direct relationship between dietary intake, nutrient metabolism, physiology, and specific health outcomes. While these domains remain the fundamental scientific basis for dietary guidance and clinical practice, researchers at the National Institutes of Health argue that this narrow focus is no longer sufficient for addressing modern public health challenges. In a perspective published in Frontiers in Nutrition, Andrew A. Bremer, Anna Krans, and Daniel J. Raiten propose a significant conceptual shift toward “sustainable nutrition.” This new framework aims to maintain nutritional status that supports growth, development, and health across the entire lifespan, while simultaneously accounting for the needs of populations and the capacity and resilience of the food systems that provide them. The authors suggest that by integrating food systems, environmental science, and diet, the scientific community can better advance both public and planetary health in an era of increasing environmental complexity and global population growth.

The core of this proposal is a conceptual framework known as Nutritional Ecology. This approach conceptualizes nutrition not as a static biological process, but as the product of dynamic, reciprocal interactions among human biology, dietary patterns, food systems, and environmental conditions. Within this model, nutritional status serves as both an input and an outcome of these complex interactions. Agricultural practices, for instance, do not merely determine the quantity of food available; they also influence food quality, nutrient composition, biodiversity, water resources, greenhouse gas emissions, and overall ecosystem resilience. Conversely, environmental changes such as climate shifts and soil degradation directly impact crop productivity, nutrient density, food safety, and nutrition security. This bidirectional relationship highlights that human health cannot be evaluated in isolation from the environmental and systemic contexts in which food is produced and consumed.

Furthermore, the authors emphasize that dietary patterns themselves exert a significant influence on the environment and on chronic disease risk. Modern food systems, characterized by resource-intensive production and the widespread consumption of ultra-processed foods, contribute to both environmental degradation and the rising prevalence of obesity and cardiometabolic diseases. These reciprocal relationships demonstrate that food and agricultural systems, environmental health, and human nutrition are inseparable. The authors argue that evaluating human health and environmental sustainability in isolation risks generating incomplete evidence and ineffective interventions. Instead, they advocate for a unified perspective that recognizes the interdependence of human, animal, plant, and environmental health, aligning with the broader “One Health” paradigm. This integrated view suggests that human health and environmental sustainability are not competing priorities but are fundamentally interconnected components of a single, complex system.

To operationalize this shift, the researchers call for a transformation in nutrition research methodologies. Traditional linear, single-discipline approaches are deemed insufficient for evaluating systems where agriculture, environmental conditions, food processing, dietary behavior, and human biology interact continuously. Analyses that focus narrowly on food supply, diet, or health without considering biological variability, environmental drivers, and system-level interactions may produce unintended consequences. The proposed solution is an integrated, systems-based framework that links nutrition and health with the sustainability of food systems. This requires multidisciplinary collaborations spanning nutrition, food, agricultural, environmental, epidemiologic, computational, systems, and implementation sciences. By bringing together diverse scientific disciplines, researchers can better identify trade-offs and leverage points for intervention, leading to context-specific strategies that advance nutritional adequacy, environmental sustainability, and long-term health simultaneously.

The authors highlight the critical role of emerging scientific tools in facilitating this transition. Advances in systems science, computational modeling, network analysis, artificial intelligence, and multi-scale data integration now permit the investigation of complex biological and environmental interactions that were previously difficult to quantify. These computational approaches offer opportunities to characterize, analyze, visualize, and predict the dynamics of nutritional ecology. For example, systems mapping and network analysis can help identify how changes in agricultural practices ripple through food systems to affect dietary quality and health outcomes. By leveraging these tools, scientists can evaluate the trade-offs among dietary quality, environmental sustainability, agricultural productivity, and health outcomes more rigorously. This technological evolution provides the necessary infrastructure to move beyond historical paradigms and toward more integrated models capable of handling the complexity of modern food environments.

Specific roles for different scientific disciplines are outlined to support this collaborative effort. Nutrition scientists are tasked with defining biological and health outcomes, while food scientists address issues related to processing, safety, and formulation. Agricultural scientists evaluate production methods and their sustainability, and environmental scientists characterize the ecological conditions that shape food systems and health. Additionally, the authors stress the importance of including economists and agroeconomists to assess market dynamics, food affordability, and the real-world adoption of emerging products. Assessments of the nutritional life cycle are also identified as essential components of this integrated approach. By combining these diverse expertise areas, the research community can generate evidence that simultaneously optimizes nutritional adequacy, environmental sustainability, and population health, ensuring that interventions are both effective and avoid unintended negative impacts on the environment or public well-being.

The perspective also references the Agriculture and Diet: Value Added for Nutrition, Translation, and Adaptation in a Global Ecology (ADVANTAGE) project as a practical example of this integrated approach. The ADVANTAGE project’s core premise is that developing evidence-based programs, guidelines, and interventions requires analyzing data across three key pillars: what is known about priority diet and health relationships, what people eat and why, and the capacity of food systems to provide the food and nutrients needed to meet established dietary goals. The project examined how a changing environment affects these pillars and how such interactions can be integrated into future analytical frameworks. The resulting series of manuscripts aims to stimulate a targeted research agenda and inform the efforts of agencies and organizations engaged in developing evidence-based approaches to diet and health in the United States and globally. This project exemplifies the type of comprehensive, data-driven analysis required to translate the theoretical framework of sustainable nutrition into actionable public health strategies.

The authors conclude that integrating food systems, environmental science, and nutrition is not merely an opportunity but a scientific necessity. As the global population grows and environmental pressures intensify, the goal of nutrition research must shift to improving public health while optimizing the environmental systems on which food production depends. This comprehensive approach has the potential to contribute to progress across multiple United Nations Sustainable Development Goals by addressing the interdependent challenges of nutrition, health, food systems, and environmental sustainability. By embracing this systems-based framework, investigators can generate new hypotheses and the evidence needed to build resilient food systems, strengthen dietary guidance, and improve clinical care. The Office of Nutrition Research at the National Institutes of Health is positioned to support these efforts by advancing priority research agendas that embrace an integrated, systems-based approach to nutrition, food systems, environmental science, and health outcomes.

Ultimately, the proposal calls for a rethinking of how nutrition research is conceptualized and executed. While the study of nutrients and metabolism remains important, it must be expanded to include the study of dynamic biological systems embedded within equally dynamic food and environmental systems. This expansion allows for the development of etiologically based, context-specific interventions that are effective and avoid unintended consequences. The authors assert that by recognizing the importance of nutritional ecology to food production and consumer choices, the scientific community can better support the development of practices that promote both human and planetary health. This shift represents a significant evolution in the field, moving from a focus on individual dietary intake to a holistic understanding of the systems that sustain human life. As such, the integration of these disciplines is essential for ensuring that nutrition science contributes simultaneously to healthier people and a healthier planet in the decades to come.

Subject of Research: Integration of food systems, environmental science, and nutrition for sustainable public health

Article Title: Sustainable nutrition: integrating food systems, environmental science, and diet to advance public and planetary health

Article References: Bremer, A. A., Krans, A., & Raiten, D. J. (2026). Sustainable nutrition: integrating food systems, environmental science, and diet to advance public and planetary health. Frontiers in Nutrition, 13, Article 1976376. https://doi.org/10.3389/fnut.2026.1976376

Image Credits: AI Generated

DOI: 10.3389/fnut.2026.1976376

Keywords: sustainable nutrition, nutritional ecology, food systems, planetary health, systems science, environmental sustainability, public health, dietary patterns, agricultural practices, interdisciplinary research, Sustainable, nutrition