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Overlap between ultra-processed food and food that is high in fat, salt or sugar: analysis of 11 annual waves of the UK National Diet and Nutrition Survey 2008/2009-2018/2019

Lookup NU author(s): Professor Martin White, Dr Jean Adams

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© Author(s) (or their employer(s)) 2025. Re-use permitted under CC BY. Published by BMJ Group. While many countries use guidance and policies based on nutrients and food groups to support citizens to consume healthy diets, fewer have explicitly adopted the concept of ultra-processed foods (UPF). UPF consumption is associated with many adverse health outcomes in cohort studies. In the UK, a nutrient profiling model (NPM) is used to identify foods high in fat, salt or sugar (HFSS) and several policies target these. It is not known how well the NPM also captures UPF. We aimed to quantify the proportion of food and drink items consumed in the UK that are HFSS, UPF, both or neither and describe the food groups making the largest contributions to each category. We analysed data from the National Diet and Nutrition Survey, between 2008/2009 and 2018/2019, using descriptive statistics. We used three metrics of food consumption: all foods, percentage of energy in all foods (reflecting that different foods are consumed in different portion sizes and are of different energy densities) and percentage of food weight in all foods (reflecting that some UPFs have few calories but are consumed in large volumes). We found that 33.4% of foods, 47.4% of energy and 16.0% of food weight were HFSS; 36.2%, 59.8% and 32.9%, respectively, were UPFs; 20.1%, 35.1% and 12.6% were both and 50.5%, 27.9% and 63.7% were neither. In total, 55.6% of UPF foods, 58.7% of energy from UPFs and 38.3% of food weight from UPF consumed were also HFSS. The most common food groups contributing to foods that were UPF but not HFSS were low-calorie soft drinks and white bread. The UK NPM captures at best just over half of UPFs consumed in the UK. Expanding the NPM to include ingredients common in UPFs (eg, non-nutritive sweeteners, emulsifiers) would capture a larger percentage of UPFs and could incentivise 'deformulation' of UPF products.


Publication metadata

Author(s): Kesaite V, Chavez-Ugalde Y, White M, Adams J

Publication type: Article

Publication status: Published

Journal: BMJ Nutrition, Prevention and Health

Year: 2025

Pages: Epub ahead of print

Online publication date: 28/03/2025

Acceptance date: 11/03/2025

Date deposited: 15/04/2025

ISSN (electronic): 2516-5542

Publisher: BMJ Publishing Group

URL: https://doi.org/10.1136/bmjnph-2024-001035

DOI: 10.1136/bmjnph-2024-001035

Data Access Statement: Data are available in a public, open access repository. The National Diet and Nutrition Survey Years 1–11, 2008–2019 data are available in a public, open access repository and can be accessed via the UK Data Service (http://ukdataservice.ac.uk).


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Funding

Funder referenceFunder name
BBSRC (grant BB/V004832/1)
Economic and Social Research Council (ESRC) (grant ES/Y00311X/1)
Medical Research Council (grant MC/UU/00006/7)

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