The own-initiative opinion aims to analyse the link between current food systems and diet-related diseases;  identify policies, tools and instruments that are needed to foster healthier diets both on the supply and demand side, for example sustainable dietary guidelines, sustainable food labelling schemes, education modules in school curricula, information campaigns, specific agricultural schemes (such as the EU school food scheme), food product reformulation, etc.; highlight examples of good practices at national and local level - including civil society and business initiatives; contribute to the debate on the implementation of food-related SDGs and in the context of the UN Decade of Action on Nutrition; provide recommendations for future EU action.