Cited by 85Liver Disease Diagnosis and TreatmentProbiotics and Fermented FoodsGut microbiota and health

Effects of probiotics on nonalcoholic fatty liver disease: a systematic review and meta-analysis

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Tang, Yao, Huang, Juan, Zhang, Wen yue, Qin, Si, Yang, Yi xuan, Ren, Hong, Yang, Qin-bing, Hu, Huaidong·2019·Therapeutic Advances in Gastroenterology

Abstract

Background: Nonalcoholic fatty liver disease (NAFLD) has become prevalent in recent decades, especially in developed countries, and approaches for the prevention and treatment of NAFLD are not clear. The aim of this research was to analyze and summarize randomized controlled trials that investigated the effects of probiotics on NAFLD. Methods: Seven databases (PubMed, Embase, the Web of Science, the Cochrane Library, China National Knowledge Infrastructure, Wan Fang Data, and VIP Database) were searched. Then, eligible studies were identified. Finally, proper data extraction, synthesis and analysis were performed by trained researchers. Results: Anthropometric parameters: with use of probiotics weight was reduced by 2.31 kg, and body mass index (BMI) was reduced by 1.08 kg/m2. Liver function: probiotic treatment reduced the alanine aminotransferase level by 7.22 U/l, the aspartate aminotransferase level by 7.22 U/l, the alkaline phosphatase level by 25.87 U/l, and the glutamyl transpeptidase level by −5.76 U/l. Lipid profiles: total cholesterol, low-density lipoprotein cholesterol, and triglycerides were significantly decreased after probiotic treatment. Their overall effects (shown as standard mean difference) were −0.73, −0.54, and −0.36, respectively. Plasma glucose: probiotics reduced the plasma glucose level by 4.45 mg/dl and the insulin level by 0.63. Cytokines: probiotic treatment decreased tumor necrosis factor alpha by 0.62 and leptin by 1.14. Degree of liver fat infiltration (DFI): the related risk of probiotics for restoring DFI was 2.47 (95% confidence interval, 1.61–3.81, p < 0.001). Conclusion: Probiotic treatment or supplementation is a promising therapeutic method for NAFLD.

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  • In a meta-analysis of RCTs that investigated the effects of probiotics on MASLD, probiotic treatment reduced ALT, AST and liver steatosis, but the included studies had a number of limitations (e.g. short-term, small sample size, limited assessment of liver outcomes).

    “In a meta-analysis of RCTs that investigated the effects of probiotics on MASLD, probiotic treatment reduced ALT, AST and liver steatosis, but the included studies had a number of limitations ( e.g. short-term, small sample size, limited assessment of liver outcomes). 337”

    From EASL-EASD-EASO Clinical Practice Guidelines on the management of metabolic dysfunction-associated steatotic liver disease (MASLD). (2024) · cites this paper as [337]

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  1. [34]Rafraf M Nabavi S Somi MH, et al. The effect of probiotic and conventional yogurt consumptions on anthropometric parameters in individuals with non alcoholic fatty liver disease. J Babol Univ Med Sci 2014; 16: 55– 62.
  2. [49]Javadi L Ghavami M Khoshbaten M, et al. The potential role of probiotics or/and prebiotic on serum lipid profile and insulin resistance in alcoholic fatty liver disease: a double blind randomized clinical trial. CJMB 2017; 4(3): 131– 138.
  3. [62]Yanghe L Dengyi L Bei Zheng, et al. Efficacy of bacillus subtilis duplex and polyene phosphatidylcholine combination in treatments of patients with nonalcoholic fatty liver diseases. Journal of Practical Hepatology 2018; 21: 4.

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Authors
Tang, Y., Huang, J., Zhang, W. Y., Qin, S., Yang, Y. X., Ren, H., Yang, Q.-B., & Hu, H.
Affiliations
  • Second Affiliated Hospital of Chongqing Medical University (CN)
  • Chongqing Medical University (CN)
  • Department of Clinical Nutrition, Tsinghua University, Beijing, China
Corresponding author
Hu, Huaidong
Venue
Therapeutic Advances in Gastroenterology
Published
2019-01
Volume
12
Pages
1756284819878046-1756284819878046
ISSN
  • 1756-283X (ISSN-L)
  • 1756-2848
OpenAlex
W2975167027
Cited by
85
References
98
Citations by year
2026: 3 · 2025: 7 · 2024: 25 · 2023: 10 · 2022: 20 · 2021: 15 · 2020: 3 · 2019: 2
FWCI
1.46
Type
journal article
Language
en
Open access
Locations
  • Therapeutic Advances in Gastroenterology (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • “Par-Eu Scholars Program“ of Chongqing City and the National Science and Technology Major Project of China (2012ZX10002007001)
  • National Natural Science Foundation of China (81171560)
Topics
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
probiotics, non-alcoholic fatty liver disease, liver function, lipid profile, insulin, plasma glucose, TNF-α, leptin, liver fat infiltration, body mass index, alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, gamma-glutamyltranspeptidase, cholesterol, triglycerides

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