• Muhammed Kaya, Ayşe Erdoğan Kaya, and Fatih Eskin.
• Department of Gastroenterology, Hitit University Faculty of Medicine, Corum, Turkey.
• Medicine (Baltimore). 2024 Aug 9; 103 (32): e39238e39238.

AbstractThe role of human microbiota in mental health and the underlying mechanisms of psychobiotics, which can modulate mood and behavior through the microbiota-gut-brain axis, has been a focus of scientific scrutiny. This work presents a bibliometric analysis to uncover research trends and insights in psychobiotics literature. The Clarivate Analytics Web of Science database served as the source for articles and reviews on psychobiotics spanning the years 2012 to 2023. Bibliometric network visualization and graphing were conducted using VOSviewer, Microsoft Excel for Windows 10, and Datawrapper software. A total of 348 publications were included, and it has been determined that the number of publications and citations shows an increasing trend from 2012 to 2023. The most active authors on psychobiotics, in order, were Dinan TG, Cryan JF, and Tsai YC. The most active organizations have been identified as University College Cork, National Yang Ming Chiao Tung University, and Bened Biomedical Co. Ltd. The most active countries in psychobiotic research were China, Ireland, and United States of America, while the most active journals were Nutrients, International Journal of Molecular Sciences, and Probiotics and Antimicrobial Proteins. The most commonly used keywords were "psychobiotics," "probiotics," and "gut-brain axis." This bibliometric analysis has revealed the growing academic interest in psychobiotics, indicating that the relationship between gut microbiota and mental health will increasingly be supported by scientific evidence in the years ahead.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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