Dalia El Khoury, University of Guelph

Research

Read how they describe their research on their University of Guelph profile.

Latest papers

A Theory of Planned Behaviour-Based Intervention on Dietary Supplement Use Among Varsity Athletes: A Pilot Randomized Controlled Trial
Sports · 2026 · senior author
Development of a Theory-Based Nutrition Education Program Targeting Varsity Athletes at a Canadian University
Nutrients · 2026 · senior author
An Online Nutrition Education Program Targeting Intentions and Related Determinants Towards Dietary Supplement Use: An Application of the Theory of Planned Behavior
Nutrients · 2025 · senior author

All 20 publications

Latest funding

Implementing Smart Cities Interventions to Build Healthy Cities (SMART) Training Platform
CIHR · 2021 · Co-investigator
$1,650,000
Supplement usage within GBT2Q men & nonbinary communities: An investigation of psychosocial determinants
SSHRC · 2021 · Co-investigator
$23,702

All 2 grants and awards

20 publications.

01

A Theory of Planned Behaviour-Based Intervention on Dietary Supplement Use Among Varsity Athletes: A Pilot Randomized Controlled Trial

Daher J, Haines J, Mountjoy M, Khoury DE

Sports2026Senior author

DOI: 10.3390/sports14080321

02

Development of a Theory-Based Nutrition Education Program Targeting Varsity Athletes at a Canadian University

Daher J, Haines J, Mountjoy M, Khoury DE

Nutrients2026Senior author

DOI: 10.3390/nu18111808

03

An Online Nutrition Education Program Targeting Intentions and Related Determinants Towards Dietary Supplement Use: An Application of the Theory of Planned Behavior

Daher J, Mountjoy M, Khoury DE

Nutrients20255 citationsSenior author

DOI: 10.3390/nu17030557

04

Current Perspectives on Protein Supplementation in Athletes: General Guidance and Special Considerations for Diabetes-A Narrative Review.

Jahan-Mihan A, El Khoury D, Brewer GJ, Chapleau A

Nutrients2025

DOI: 10.3390/nu17223528 PMID: 41305580

05

Genomic and Structural Investigation of Mutations in Biotinidase (BTD) Gene Deficiency in Greater Middle Eastern Cohort: Insights from Molecular Dynamics Study.

Ibrahim FE, Gattu Linga B, Samara M, Roshanuddin J, Younes S, Nasrallah GK, Zayed H, Qoronfleh MW, Mohammed SGAA, El Khoury D, Velayutham D, Abdoh G, Al Rifai H, Al-Dewik N

Biomedicines2025

DOI: 10.3390/biomedicines13092210 PMID: 41007772

06

The Effectiveness of an Online Nutrition Education Program on Varsity Athletes’ Nutritional & Dietary Supplement Knowledge

Daher J, Mountjoy M, Khoury DE

Nutrients20244 citationsSenior authorOpen Access

DOI: 10.3390/nu17010044 PMID: W4405851649

07

Patterns of Dietary Supplement Use among GBT2Q Men and Non-Binary Individuals in Canada.

Ghazitabatabai SY, Zaid M, Forbes L, Davies A, Klassen B, Lachowsky NJ, El Khoury D

Nutrients2024Senior author

DOI: 10.3390/nu16162678 PMID: 39203814

08

Determinants of supplementation among Canadian university students: a theory of planned behavior perspective

Khoury DE, Tabakos M, Dwyer JJM, Mountjoy M

Journal of American College Health202313 citationsFirst author

DOI: 10.1080/07448481.2021.1951276

09

Gluten-Free Product Recalls and Their Impact on Consumer Trust.

Liu S, El Khoury D, Joye IJ

Nutrients2023

DOI: 10.3390/nu15194170 PMID: 37836454

10

Dietary Supplements: A Gateway to Doping?

Mallick M, Camacho CB, Daher J, El Khoury D

Nutrients2023Senior author

DOI: 10.3390/nu15040881 PMID: 36839238

Implementing Smart Cities Interventions to Build Healthy Cities (SMART) Training Platform

Co-investigatorCIHR2021Training Grant: Healthy Cities Research Training Platform

Principal investigators: Ma, David W; Dubé, Laurette; Suh, Miyoung

Keywords: Big Data; Circular Economy Of Food; Food; Food Security; Health; Healthy Cities; Implementation Science; Indigenous Communities; Nutrition; Smart Cities

$1,650,000

Supplement usage within GBT2Q men & nonbinary communities: An investigation of psychosocial determinants

Co-investigatorSSHRC2021Partnership Engage Grants

Principal investigators: Davies, Adam W.J.

Keywords: supplement use; GBT2Q men; non-binary; social-ecological approach; community-based participatory approach; psychosocial stressors

$23,702

From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.

Frequent collaborators

Department of Family Relations & Applied Nutrition
Department of Family Medicine
Department of Human Health Sciences
Bsc Applied Human Nutrition

Co-authors at University of Guelph, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.

Margo Mountjoy

Department of Family Medicine

6 shared papers, latest 2026

Jess Haines

Department of Family Relations & Applied Nutrition

2 shared papers, latest 2026

Paula Brauer

Department of Family Relations & Applied Nutrition

2 shared papers, latest 2020

Laura Forbes

Department of Family Relations & Applied Nutrition

1 shared papers, latest 2024

Bohdan Luhovyy

Bsc Applied Human Nutrition

1 shared papers, latest 2021

Amanda Wright

Department of Human Health Sciences

1 shared papers, latest 2019

Write to this professor

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Applying for

Paper to mention

Subject: Prospective PhD student Dear Professor El Khoury, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "A Theory of Planned Behaviour-Based Intervention on Dietary Supplement Use Among Varsity Athletes: A Pilot Randomized Controlled Trial" (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]