| Sumario: | Theoretical approaches can help to plan, guide, and evaluate implementation projects that target real‐world practice problems. This paper provides an overview of the integrated Promoting Action on Research Implementation in Health Services (i‐PARIHS) framework and summarizes its use in nutrition and dietetics research and practice. A narrative summary of its use was compiled from the published literature based on citations from two key reference sources of the i‐PARIHS framework. Searches were performed in Web of Science Core Collection, Scopus, and PubMed. Data were extracted about the study characteristics and the application of i‐PARIHS. Thirty articles from 20 implementation studies were included, with studies mostly originating from Australia (n = 9) and focused on adult patients/clients (n = 17) in the hospital setting (n = 13) and other practice settings. Studies included diverse clinical areas categorized as malnutrition (n = 9) or nutrition‐related chronic disease (n = 10). Studies used i‐PARIHS across phases of planning, implementing, and evaluating (n = 6 planning only, n = 6 evaluating only, n = 8 a combination of phases, and n = 5 across all three phases) and often in combination with other theoretical approaches (n = 10). The facilitation process and/or role were a common feature of implementation and evaluation studies. The framework's ability to aid comprehensive identification of barriers and enablers across the constructs was highlighted as a strength. The i‐PARIHS framework can be a useful tool to support all phases of implementation in nutrition practice and research, particularly where facilitation is a core component of the implementation process. Two case studies are presented to demonstrate how it might be practically applied.
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