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Summary: The escalating demand for ultra‐processed foods poses a growing concern due to its potential adverse effects on human health. This study conducts a comprehensive bibliometric analysis of research and review articles investigating the intricate relationship between ultra‐processed foods and the gut microbiota. Employing rigorous search strategies across Scopus and Web of Science databases, we identified 211 English‐language articles. Utilising Biblioshiny and R‐tool Bibliometrix, we analysed publication and citation trends, prominent contributors, collaborative networks and influential journals. Our investigation reveals a consistent upward trajectory in both publications and citations over the past 42 years. Notably, the articles by Chassaing et al. (Nature, 519, 2015 and 92) and Thomas et al. (Frontiers in Microbiology, 2, 2011 and 93) stand out with the highest citation counts, highlighting their impact in research and review domains. The United States emerges as a key player, leading in both citations and productivity. 'Nutrients' emerges as a dominant journal in disseminating knowledge in this field. Importantly, our analysis extends beyond bibliometrics to glean insights into the actual impact of ultra‐processed foods on the gut microbiota. Synthesising findings from the reviewed articles, we observe a nuanced relationship between ultra‐processed food consumption and alterations in the gut microbiota composition. While the specific 'dry' impact remains a focal point, our results underscore the need for targeted research to elucidate the molecular and functional implications of these dietary patterns on gut microbial communities. This 42‐year bibliometric journey underscores the increasing awareness and concern surrounding the impact of ultra‐processed foods on the gut microbiota. The rising trend in publications and citations, coupled with our nuanced insights, emphasises the continued significance of this field. Researchers, policymakers and health professionals will find our study valuable for understanding the evolving landscape and addressing the broader implications of modern dietary trends on human health. [ABSTRACT FROM AUTHOR]