A Systematic Review of Food Swap Interventions Used in Grocery Store Settings

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ID: 337359
2026
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Abstract
CONTEXT: Food swap interventions provide an approach to influence consumer food choices. However, evidence on their design and effectiveness has not yet been synthesized. OBJECTIVE: This review systematically synthesized the literature on food swap interventions in grocery settings by addressing the following questions: (1) What were the key characteristics of the food swap interventions examined in the literature, and what was their intended purpose? (2) Have food swap interventions been effective in changing behavior? DATA SOURCES, EXTRACTION, AND ANALYSIS: A search of MEDLINE, Scopus, and Web of Science up to January 23, 2025, was conducted to identify food swap intervention trials in grocery settings, with no limits on language or publication year. Covidence was used to screen titles, abstracts, and full-text articles in duplicate. Data were synthesized narratively. RESULTS: Eleven studies, published during 2006-2024, were included in the review. One intervention was implemented in a real grocery store, 3 in real online supermarkets, and 7 in simulated online supermarkets. Most included studies targeted adults with primary or partial responsibility for their household grocery shopping. All the swaps offered healthier alternatives to selected products. Outcomes examined included shopping basket item healthiness, energy content, saturated fatty acid (SFA) content, salt density, and sodium and sugar content. All but 1 study noted evidence that the studied interventions can change behavior. Two studies found significant improvements in overall nutritional quality. Salt/sodium reductions were seen in 2 studies, while reductions in sugar content were seen in 1 study but not in another study. Studies also demonstrated significant reductions in purchased energy content/density, and SFA. CONCLUSION: A range of food swap interventions have been studied, and most of those identified have been found to be effective in improving the healthiness of food purchases. No studies explored the potential of swap interventions to promote sustainable food choices, which could be a topic of future research. SYSTEMATIC REVIEW REGISTRATION: PROSPERO registration No. [CRD42024539803].
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openalex_W7223856456 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Helena Bentil, Edward Hillier, Oliver Huse, Sarah Shaw, Viktorija Kesaite, Jessica Brock, Bisola Osifowora, Anoushka Kumar, Hamideh Mohtashami Borzadaran, Jessica Renzella, Thijs van Rens, Oyinlola O Oyebode
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Journal nutrition reviews
Year 2026
DOI
10.1093/nutrit/nuag151
URL
https://doi.org/10.1093/nutrit/nuag151
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