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From the 111 initial studies, 5 met the inclusion criteria for this review.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All studies included in this narrative review were focused on anorexia nervosa (AN). Three longitudinal, randomised, controlled trials aimed to evaluate interventions with probiotics (<jats:italic>Lactobacillus reuteri<\/jats:italic>, yoghurt with <jats:italic>Lactobacillus,<\/jats:italic> and <jats:italic>Streptococcus<\/jats:italic>) in children and adolescents. These studies primarily emphasised medical outcomes and anthropometric measures following the administration of probiotics. However, the findings yielded mixed results in terms of short\u2010term weight gain or alterations in specific immunological parameters. With a lower level of evidence, supplementation with synbiotics (probiotic\u00a0+\u00a0prebiotic) has been associated with improvements in microbiota diversity and attenuation of inflammatory responses.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Research on probiotics and prebiotics in ED is limited, primarily focussing on anorexia nervosa (AN). Their use in AN regarding medical and anthropometric outcomes needs further confirmation and future research should be warranted to assess their impact on psychological and ED symptomatology, where there is a notable gap in the existing literature.<\/jats:p><\/jats:sec>","DOI":"10.1002\/erv.3069","type":"journal-article","created":{"date-parts":[[2024,2,1]],"date-time":"2024-02-01T05:19:06Z","timestamp":1706764746000},"page":"1085-1104","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Probiotic and prebiotic interventions in eating disorders: A\u00a0narrative review"],"prefix":"10.1002","volume":"32","author":[{"given":"Isabel","family":"Baenas","sequence":"first","affiliation":[{"name":"Department of Clinical Psychology Bellvitge University Hospital L'Hospitalet de Llobregat Barcelona Spain"},{"name":"Psychoneurobiology of Eating and Addictive Behaviours Neuroscience Program Bellvitge Biomedical Research Institute 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