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Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition

Katharine Lee Orcid Logo, Estelle Corbett, Becki Hafner Orcid Logo, Julie Barnett Orcid Logo

PLOS One, Volume: 20, Issue: 11, Start page: e0335733

Swansea University Author: Becki Hafner Orcid Logo

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DOI (Published version): 10.1371/journal.pone.0335733

Abstract

Personalised nutrition based on analysis of biospecimen generates individual-specific dietary recommendations and potentially, improved health. However, the science underpinning these approaches is evolving and uncertain. Additionally, users must provide a biological sample appropriate to the analyt...

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Published in: PLOS One
ISSN: 1932-6203
Published: Public Library of Science (PLoS) 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa70837
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spelling 2025-12-16T16:00:25.8235458 v2 70837 2025-11-05 Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition a21042aec21e3f06d929a6a3a55f3cc0 0000-0002-7090-5150 Becki Hafner Becki Hafner true false 2025-11-05 PSYS Personalised nutrition based on analysis of biospecimen generates individual-specific dietary recommendations and potentially, improved health. However, the science underpinning these approaches is evolving and uncertain. Additionally, users must provide a biological sample appropriate to the analytic approach being taken. This two-part quasi-experimental study sought to understand the impact of certainty and sample type on affective responses and attitudes to personalised nutrition. Participants (n716) completed a free association task and an attitudinal survey. Participants responded with more positive affect and attitudes to personalised nutrition when the science was characterised as certain. Attitudes to personalised nutrition were not affected by sample type, although contemplating providing a stool sample elicited more negative affective responses than other samples. This suggests that the need to provide a stool sample could be a barrier to microbiome-based personalised nutrition. We consider the implications of our findings in relation to future research and to providers of personalised nutrition. Journal Article PLOS One 20 11 e0335733 Public Library of Science (PLoS) 1932-6203 4 11 2025 2025-11-04 10.1371/journal.pone.0335733 COLLEGE NANME Psychology School COLLEGE CODE PSYS Swansea University Another institution paid the OA fee This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 816303. 2025-12-16T16:00:25.8235458 2025-11-05T09:43:25.7213202 Faculty of Medicine, Health and Life Sciences School of Psychology Katharine Lee 0000-0001-6199-8482 1 Estelle Corbett 2 Becki Hafner 0000-0002-7090-5150 3 Julie Barnett 0000-0001-5740-0863 4 70837__35842__565906b017f84e3da71281a64668f712.pdf 70837.VOR.pdf 2025-12-16T15:58:34.5373294 Output 542110 application/pdf Version of Record true © 2025 Lee et al. This is an open access article distributed under the terms of the Creative Commons Attribution License. true eng http://creativecommons.org/licenses/by/4.0/
title Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition
spellingShingle Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition
Becki Hafner
title_short Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition
title_full Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition
title_fullStr Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition
title_full_unstemmed Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition
title_sort Public perceptions of biospecimen sampling and uncertainty in the context of personalised nutrition
author_id_str_mv a21042aec21e3f06d929a6a3a55f3cc0
author_id_fullname_str_mv a21042aec21e3f06d929a6a3a55f3cc0_***_Becki Hafner
author Becki Hafner
author2 Katharine Lee
Estelle Corbett
Becki Hafner
Julie Barnett
format Journal article
container_title PLOS One
container_volume 20
container_issue 11
container_start_page e0335733
publishDate 2025
institution Swansea University
issn 1932-6203
doi_str_mv 10.1371/journal.pone.0335733
publisher Public Library of Science (PLoS)
college_str Faculty of Medicine, Health and Life Sciences
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hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
document_store_str 1
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description Personalised nutrition based on analysis of biospecimen generates individual-specific dietary recommendations and potentially, improved health. However, the science underpinning these approaches is evolving and uncertain. Additionally, users must provide a biological sample appropriate to the analytic approach being taken. This two-part quasi-experimental study sought to understand the impact of certainty and sample type on affective responses and attitudes to personalised nutrition. Participants (n716) completed a free association task and an attitudinal survey. Participants responded with more positive affect and attitudes to personalised nutrition when the science was characterised as certain. Attitudes to personalised nutrition were not affected by sample type, although contemplating providing a stool sample elicited more negative affective responses than other samples. This suggests that the need to provide a stool sample could be a barrier to microbiome-based personalised nutrition. We consider the implications of our findings in relation to future research and to providers of personalised nutrition.
published_date 2025-11-04T05:31:22Z
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