Nutrigenetics and nutrigenomics. Advances in precision nutrition for NCDs: obesity, diabetes, and hypertension

Main Article Content

Valeria Sophia Navas Benavides
Diana Patricia Cárdenas Vidal
Karen Pamela Vélez Rodríguez
Ronny Richard Mera Flores

Abstract

Introduction. Traditional population-based nutrition guidelines have been effective in reducing nutritional deficiencies but show limitations when addressing individual genetic variability, particularly in the context of non-communicable chronic diseases (NCDs). Precision nutrition, grounded in nutrigenetics and nutrigenomics, offers personalized dietary interventions based on everyone’s molecular profile. Objective. To analyze advances in nutrigenetics and nutrigenomics applied to precision nutrition and their clinical impact on the prevention and management of obesity, type 2 diabetes, and hypertension. Methodology. A narrative review was conducted based on a non-systematic search of scientific databases (PubMed, SciELO, ScienceDirect), including articles published between 2018 and 2023. A total of 42 relevant studies were selected that provided evidence on gene–nutrient interactions with clinical applicability in NCDs. Results. At least 43 clinically relevant genetic variants were identified in relation to obesity, type 2 diabetes, and hypertension. Polymorphisms such as FTO (rs9939609), TCF7L2 (rs7903146), and ACE (rs1799752) modulate the response to specific dietary interventions, including high-fiber diets, sodium restriction, and increased monounsaturated fat intake. Omics technologies and next-generation sequencing have enabled the characterization of individual molecular profiles and the development of evidence-based, genetically tailored nutritional strategies. Conclusion. The integration of nutrigenetics and nutrigenomics into clinical practice enhances the effectiveness of dietary interventions for NCDs through individualized approaches. Despite current implementation challenges, scientific evidence supports the consolidation of precision nutrition as an emerging model within personalized medicine. General Area of Study: Health and Wellness. Specific area of study: Nutrition and Dietetics. Type of study: Bibliographic review.

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How to Cite
Navas Benavides, V. S., Cárdenas Vidal, D. P., Vélez Rodríguez, K. P., & Mera Flores, R. R. (2026). Nutrigenetics and nutrigenomics. Advances in precision nutrition for NCDs: obesity, diabetes, and hypertension. Anatomía Digital, 9(1.2), 6-27. https://doi.org/10.33262/anatomiadigital.v9i1.2.3600
Section
Articulos de revisión bibliográfica

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