Co-production is a methodological approach and epistemological stance in research that emphasizes the collaborative and reciprocal generation of knowledge. It involves diverse stakeholders, including researchers and non-academic partners, working together across various stages of the research process. This approach investigates complex issues by integrating multiple perspectives and forms of expertise, characterized by the recognition and valuation of all participants' assets, mutual respect, shared learning, and deliberate efforts to reduce traditional power imbalances. Its significance lies in enhancing the relevance, robustness, and societal impact of research by fostering shared ownership and ensuring findings resonate with real-world contexts.