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Clin Nutr. 2015 Oct;34(5):845-58. doi: 10.1016/j.clnu.2014.10.004. Epub 2014 Oct 20.

A systematic review and meta-analysis of the prebiotics and synbiotics effects on glycaemia, insulin concentrations and lipid parameters in adult patients with overweight or obesity.

Author information

1
Department of Nutrition and Post-Graduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, Brazil.
2
Department of Nutrition and Post-Graduate Program in Nutrition, Federal University of Santa Catarina, Florianópolis, Brazil. Electronic address: erasmotrindade@gmail.com.

Abstract

BACKGROUND & AIMS:

Several studies have reported the effects of prebiotics and synbiotics supplementation in lipid profile and glucose homeostasis, however a pooled analysis of clinical trials that assessed these parameters has not been performed in overweight or obese individuals. The aim of this study was to evaluate the effects of prebiotics and synbiotics on plasma lipid profile, fasting insulin and fasting glucose in adults with overweight or obesity.

METHODS:

Randomized controlled trials were systematically searched before May 2014 in electronic databases and screening reference lists. Combined and stratified (diabetics and non-diabetics trials) meta-analyzes were performed.

RESULTS:

Thirteen trials, representing 513 adult participants with Body Mass Index ≥25 kg/m² were included. Prebiotic supplementation reduced plasma total cholesterol (SMD -0.25; 95% CI -0.48, -0.02) and LDL-c (SMD -0.22; 95% CI -0.44, -0.00) concentrations in overall analysis, and reduced triglycerides (SMD -0.72; 95% CI -1.20, -0.23) and increased HDL-c (SMD 0.49; 95% CI 0.01, 0.97) concentrations in diabetic trials. Synbiotic supplementation reduced plasma fasting insulin (SMD -0.39; 95% CI -0.75, -0.02) and triglycerides (SMD -0.43; 95% CI -0.70, -0.15) concentrations.

CONCLUSIONS:

The improvement of the evaluated parameters supports prebiotics and synbiotics supplementation as an adjuvant therapy in obesity-related comorbidities, such as dyslipidemia and insulin resistance.

KEYWORDS:

Meta-analysis; Obesity; Overweight; Prebiotic; Synbiotic

PMID:
25456608
DOI:
10.1016/j.clnu.2014.10.004
[Indexed for MEDLINE]

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