{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T16:09:19Z","timestamp":1791994159922,"version":"4.4.0"},"reference-count":89,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2024,11,16]],"date-time":"2024-11-16T00:00:00Z","timestamp":1731715200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Direcci\u00f3n General de Investigaciones de la Universidad Santiago de Cali","award":["01\u20132024"],"award-info":[{"award-number":["01\u20132024"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Background\/Objectives: Polycystic ovary syndrome is a common endocrine disorder in women of reproductive age characterized by insulin resistance and hormonal imbalances. Recent research suggests that probiotics and synbiotics may improve these parameters by modulating the gut microbiota. This study systematically reviewed randomized clinical trials evaluating the impact of probiotic, prebiotic, and synbiotic supplementation on insulin resistance and hormonal parameters in women with PCOS. Methods: Exhaustive searches were conducted in PubMed, Cochrane CENTRAL, Scopus, Web of Science, and Embase, following PRISMA guidelines. Randomized trials assessing supplementation with probiotics, prebiotics, or synbiotics for at least 8 weeks in women diagnosed with PCOS according to the Rotterdam criteria were included. Data on participants, interventions, and outcomes related to insulin resistance and hormones were extracted. Results: Eleven studies from Iran involving overweight or obese women aged 15 to 48 were included. Probiotic and synbiotic supplementation showed significant improvements in insulin resistance (reductions in HOMA-IR, fasting glucose, and insulin), lipid profiles (decreased LDL and triglycerides; increased HDL), and hormonal balance (increased SHBG, decreased total testosterone). Synbiotics had more pronounced effects than probiotics or prebiotics alone. Adherence was high, and side effects were minimal. Conclusions: Despite promising results, limitations such as small sample sizes, homogeneous populations, and short intervention durations limit the generalization of the findings. Larger, longer, multicenter trials with diverse populations and standardized methodologies are needed to confirm the efficacy and safety of synbiotics in managing PCOS. Integrating these interventions could improve clinical management and quality of life for affected women, but additional evidence is required to support widespread use.<\/jats:p>","DOI":"10.3390\/nu16223916","type":"journal-article","created":{"date-parts":[[2024,11,19]],"date-time":"2024-11-19T06:06:54Z","timestamp":1731996414000},"page":"3916","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":71,"title":["Effectiveness of Probiotics, Prebiotics, and Synbiotics in Managing Insulin Resistance and Hormonal Imbalance in Women with Polycystic Ovary Syndrome (PCOS): A Systematic Review of Randomized Clinical Trials"],"prefix":"10.3390","volume":"16","author":[{"given":"Darly","family":"Martinez Guevara","sequence":"first","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Salud Integral (GISI), Departamento Facultad de Salud, Universidad Santiago de Cali, Cali 5183000, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sinthia","family":"Vidal Ca\u00f1as","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Salud Integral (GISI), Departamento Facultad de Salud, Universidad Santiago de Cali, Cali 5183000, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Isabela","family":"Palacios","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Salud Integral (GISI), Departamento Facultad de Salud, Universidad Santiago de Cali, Cali 5183000, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alejandra","family":"G\u00f3mez","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Salud Integral (GISI), Departamento Facultad de Salud, Universidad Santiago de Cali, Cali 5183000, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda","family":"Estrada","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Salud Integral (GISI), Departamento Facultad de Salud, Universidad Santiago de Cali, Cali 5183000, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan","family":"Gallego","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Salud Integral (GISI), Departamento Facultad de Salud, Universidad Santiago de Cali, Cali 5183000, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2674-8725","authenticated-orcid":false,"given":"Yamil","family":"Liscano","sequence":"additional","affiliation":[{"name":"Grupo de Investigaci\u00f3n en Salud Integral (GISI), Departamento Facultad de Salud, Universidad Santiago de Cali, Cali 5183000, Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,11,16]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"16057","DOI":"10.1038\/nrdp.2016.57","article-title":"Polycystic Ovary Syndrome","volume":"2","author":"Azziz","year":"2016","journal-title":"Nat. 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