Short-term intake of protein-enriched ultra-processed foods (UPFs) increased energy expenditure and lowered energy intake compared to UPFs with normal protein content and similar palatability. However, it did not prevent overeating.
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Acknowledgements
The authors would like to thank the Swedish Research Council for Health, Working Life and Welfare for financial support (grant number 2024-00771). The funder played no role in study design, data collection, analysis and interpretation of data, or the writing of this manuscript.
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R.L. wrote the first version of this News & Views, which was edited and commented on by T.K. Both authors read and approved the final manuscript.
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R.L. is a remunerated member of the scientific committee of Arla Food and Health and Lantmännen Research Foundation. R.L. has previously received research grants from the Lantmännen Research Foundation, Barilla and Oatly. T.K. declares no competing interests.
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Landberg, R., Karlsson, T. More protein in ultra-processed foods: no shortcut to eating less. Nat Metab 7, 639–640 (2025). https://doi.org/10.1038/s42255-025-01258-1
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DOI: https://doi.org/10.1038/s42255-025-01258-1