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The role of labeling as a tool for promoting healthy eating depends on the adequacy of their language to the objectives of public policy. Objective: To review the scientific literature on communication with the consumer through nutritional labeling and the labeling related to social-environmental impacts in food packages; to understand how the discourses about healthy eating are formed in food labeling; and to develop proposals to strengthen the effect of food labels as a tool for promoting healthy eating. Methods: Nonsystematic search of studies on communication in food labels in health and multidisciplinary databases; and qualitative discourse analysis of the labels of "cereals", selected from the ethos of the brand. Results and discussion: The review brings reception studies that indicate a poor use of labels by consumers due to excessively technical language; few studies explore the effect of visual and verbal elements with emotional appeal in communication. The empirical analysis of the corpus, bounded by four ethe (images of themselves created by the brands), shows that the design of the package modulates the generation of meaning, creating a hierarchy of messages that is able to reduce the effect of mandatory information. Alternatives for the communication about healthy and sustainable eating in food labels are suggested. Conclusion: The communication on nutritional and social-environmental aspects of food in food labels, according to legislation, jeopardizes its role as an instrument for promoting healthy eating. To convey the message as intended by the National Food and Nutrition Policy, it is recommended to review the prioritized information in labels, to rethink the design and to enhance the language in order to better monitor the effects of meanings generated. Descriptors: food labeling; labels; food policy; nutrition; sustainability; health promotion; qualitative analysis; discourse analysis; nutritional marketing; communication; discourse.

Comunicação na promoção da alimentação saudável via rótulos: uma análise dos discursos