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Effects of propolis supplementation on irritable bowel syndrome with constipation (IBS-C) and mixed (IBS-M) stool pattern: A randomized, double-blind clinical trial
Abstract
Background: Recent evidence indicates that propolis can modulate gastrointestinal (GI) function. This trial aims to assess the efficacy of propolis supplementation on the severity of irritable bowel syndrome (IBS) symptoms. Methods: This clinical trial was conducted on 56 subjects with IBS diagnosed by Rome IV criteria. Eligible subjects were randomly assigned to receive either 900 mg/day of propolis or matching placebo tablets for 6 weeks. The IBS symptom severity scale (IBS‐SSS) was used to evaluate IBS severity in five clinically applicable items. Results: After adjusting anxiety scores, a significant reduction was observed in the overall score of IBS symptoms (−98.27 ± 105.44), the severity of abdominal pain (−24.75 ± 28.66), and the frequency of abdominal pain (−2.24 ± 3.51) with propolis treatment as compared to placebo (p‐value < .05). Patients in the propolis group were 6.22 times more likely to experience improvement in IBS symptoms than those in the placebo group (95% CI: 1.14–33.9; p‐value: .035). There was no significant change in anthropometric measurements and dietary intakes in both groups (p‐value > .05). Conclusions: Our results showed that propolis supplementation might have a beneficial effect on constipation subtype of IBS (IBS‐C) and mixed subtype of IBS (IBS‐M) severity by reducing the severity and frequency of abdominal pain in patients with irritable bowel syndrome (IBS).
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“Other agents, including Aloe vera, flavonoids, St John’s wort, and ginger, exhibit mixed or inconsistent results, reflecting heterogeneity in study designs and underlying mechanisms.”
From Plant-Derived Treatments for IBS: Clinical Outcomes, Mechanistic Insights, and Their Position in International Guidelines (2026) · cites this paper as [74]
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“Propolis supplementation, a bee-derived product rich in flavonoids, was shown in a randomized, double-blind clinical trial to reduce IBS-SSS scores and both the severity and frequency of abdominal pain compared with placebo (p < 0.05) [74].”
From Plant-Derived Treatments for IBS: Clinical Outcomes, Mechanistic Insights, and Their Position in International Guidelines (2026) · cites this paper as [74]
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Irritable bowel syndrome: Pathogenesis, diagnosis, treatment, and evidence-based medicine
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Cited by
Pastras, P., Aggeletopoulou, I., Bali, M., & Triantos, C. (2026) · Nutrients · doi:10.3390/nu18020183 · Cited by 1
Metadata
- Authors
- Miryan, M., Soleimani, D., Alavinejad, P., Abbaspour, M., & Ostadrahimi, A.
- Affiliations
- Student Research Committee Tabriz University of Medical Sciences Tabriz Iran
- Nutritional Sciences Department School of Nutritional Sciences and Food Technology Kermanshah University of Medical Sciences Kermanshah Iran
- Hepatology Department School of Medicine Jundishapur University of Medical Sciences Ahvaz Iran
- Targeted Drug Delivery Research Center Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
- Nutrition Research Center Department of Clinical Nutrition School of Nutrition and Food Sciences Tabriz University of Medical Sciences Tabriz Iran
- Venue
- Food Science & Nutrition
- Publisher
- Wiley
- Published
- 2022-04-20
- Volume
- 10
- Issue
- 6
- Pages
- 1899-1907
- ISSN
- 2048-7177
- Cited by
- 16
- References
- 4
- Language
- en
- Funders
- Tabriz University of Medical Sciences (63292)
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- Miryan, M., Soleimani, D., Alavinejad, P., Abbaspour, M., & Ostadrahimi, A. (2022). Effects of propolis supplementation on irritable bowel syndrome with constipation (IBS-C) and mixed (IBS-M) stool pattern: A randomized, double-blind clinical trial. Food Science & Nutrition. https://doi.org/10.1002/fsn3.2806
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