Fisheries management and marine conservation can serve as nutritional delivery mechanisms. A meta-analysis of nearly 5,000 fisheries worldwide found that applying sound management reforms to global fisheries could increase catch by more than 10%. Without these changes, the health of the poor is at risk. The authors argue that fisheries management should place greater emphasis on human health, reflecting recent shifts in agricultural policy that respond to rising burdens of diet-related diseases. They suggest that improvements in fisheries management and marine conservation can help address nutritional needs and improve public health. The authors also highlight the importance of considering interactions between the 17 Sustainable Development Goals (SDGs), as they are interdependent. They propose a seven-point scale to rate interactions between SDGs, from the most positive (+3) to the most negative (-3). This framework can help policymakers identify and test development pathways that minimize negative interactions and enhance positive ones. The authors emphasize the need for a global platform to share knowledge on SDG interactions, as well as for policymakers to use this framework in their decision-making. They also note that the interactions between SDGs can vary depending on national circumstances and levels of development. The authors call for further research to fill knowledge gaps and for the UN to incorporate SDG interactions into its monitoring systems. They also suggest that the ICSU and other knowledge brokers should convene dialogues and workshops to discuss how to apply the framework to policymaking. The authors conclude that this framework is intuitive, relatively easy to use, and broadly replicable, and that it will facilitate the accumulation of knowledge and policy learning across countries.Fisheries management and marine conservation can serve as nutritional delivery mechanisms. A meta-analysis of nearly 5,000 fisheries worldwide found that applying sound management reforms to global fisheries could increase catch by more than 10%. Without these changes, the health of the poor is at risk. The authors argue that fisheries management should place greater emphasis on human health, reflecting recent shifts in agricultural policy that respond to rising burdens of diet-related diseases. They suggest that improvements in fisheries management and marine conservation can help address nutritional needs and improve public health. The authors also highlight the importance of considering interactions between the 17 Sustainable Development Goals (SDGs), as they are interdependent. They propose a seven-point scale to rate interactions between SDGs, from the most positive (+3) to the most negative (-3). This framework can help policymakers identify and test development pathways that minimize negative interactions and enhance positive ones. The authors emphasize the need for a global platform to share knowledge on SDG interactions, as well as for policymakers to use this framework in their decision-making. They also note that the interactions between SDGs can vary depending on national circumstances and levels of development. The authors call for further research to fill knowledge gaps and for the UN to incorporate SDG interactions into its monitoring systems. They also suggest that the ICSU and other knowledge brokers should convene dialogues and workshops to discuss how to apply the framework to policymaking. The authors conclude that this framework is intuitive, relatively easy to use, and broadly replicable, and that it will facilitate the accumulation of knowledge and policy learning across countries.