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Personalised nutrition - phenotypic and genetic variation in response to dietary intervention.

Authors
  • Gibney, Eileen R1
  • 1 UCD Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Dublin 4, Ireland. , (Ireland)
Type
Published Article
Journal
Proceedings of The Nutrition Society
Publisher
Cambridge University Press
Publication Date
May 01, 2020
Volume
79
Issue
2
Pages
236–245
Identifiers
DOI: 10.1017/S0029665119001137
PMID: 31549601
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Personalised nutrition allows individual differences in dietary, lifestyle, anthropometry, phenotype and/or genomic profile to be used to direct specific dietary advice. For personalised nutrition advice to be effective both sides need to be considered; firstly, that factors influencing variation in response to dietary intervention are identified and appropriate advice can be derived and secondly; that these are then used effectively in the provision of nutrition advice, resulting in a positive dietary and/or lifestyle behaviour change. There is considerable evidence demonstrating genetic and phenotypic influence on the biological response to the consumption of nutrients and bioactives. However, findings are often mixed, with studies often investigating at the level of a single nutrient/bioactive and/or a single genetic/phenotypic variation, meaning the derivation of specific advice at a dietary level in an individual/group of individuals can be complex. Similarly, the impact of using this information to derive personalised advice is also mixed, with some studies demonstrating no effectiveness and others showing a significant impact. The present paper will outline examples of phenotypic and genetic variation influencing response to nutritional interventions, and will consider how they could be used in the provision of personalised nutrition.

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