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Lookup NU author(s): Dr Francisco ArealORCiD, Dr Orla CollinsORCiD, Dr Novieta SariORCiD, RAO Fu, Professor Lynn FrewerORCiD
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
There is a need to develop a commonly agreed approach that describes a food’s nutritive value and environmental impact that can be used to inform consumer choices. A new single index, the “Sus-Health Index”, is presented. The index was co-created by a range of stakeholders drawn from policy, industry, and consumer representation groups. The index is a product of existing nutrition and environmental indices, using a composite indicator methodology, and can be presented quantitatively as a numeric value or qualitatively on a categorised, colour coded, scale “A(best)-E (worst)”. The index has been applied to a data set comprising food products and meals to assess its sensitivity and applicability using a Monte Carlo simulation. The results indicate that the Sus-Health scale represents a pragmatic indicator of a food or meal’s combined nutritional and environmental value and could be used to help inform consumers food choices.
Author(s): Grigoriadis V, Livingstone D, Thomas EL, Brereton P, Woodside JV, Nugent A, Smyth B, Hutchinson G, Vlajic J, Areal F, Collins O, Sari N, Fu R, Frewer LJ
Publication type: Article
Publication status: Published
Journal: Philosophical Transactions of the Royal Society B
Year: 2025
Volume: 380
Issue: 1935
Print publication date: 18/09/2025
Online publication date: 18/09/2025
Acceptance date: 06/02/2025
Date deposited: 03/10/2025
ISSN (print): 0962-8436
ISSN (electronic): 1471-2970
Publisher: Royal Society Publishing
URL: https://doi.org/10.1098/rstb.2024.0160
DOI: 10.1098/rstb.2024.0160
Data Access Statement: Data files are provided as the electronic supplementary material: https://doi.org/10.6084/m9.figshare.c.7953942.v1
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