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What is the effect of resveratrol on obesity? A systematic review and meta-analysis
Felipe Mendes Delpino1, Lílian Munhoz Figueiredo2, Eduardo L Caputo3
1Department of Nursing in Public Health, Federal University of Pelotas, Rio Grande do Sul, Brazil.
Background & Aims:
Obesity is increasing worldwide. Resveratrol appears as a substance capable of helping with weight loss. This study aimed to investigate the resveratrol effect in the treatment of obesity in general population.
Methods:
An online search was conducted in the following databases: Pubmed, LILACS, Scielo, Scopus and Web of Science. Experimental studies that investigated the effects between resveratrol supplementation for weight loss treatment, as well as its relationship with overweight and obesity were included. Observational and non-human studies were excluded. The Cochrane scale was used to assess the quality of the studies.
Results:
Nineteen studies were included, of which only three demonstrated some type of positive effect. In the meta-analysis, there was no significant effect on weight loss [SMD: 0.03; CI95%: -0,44, 0,49; p = 0,01; I2 = 82%], and body mass index (BMI) [SMD: 0.01; CI95%: -0,39, 0,41; p = 0,01; I2 = 72%]. A small effect was found on the waist circumference [SMD: -1.04; CI95%: -1,86, -0,27; p = 0,01; I2 = 87%].
Conclusion:
This systematic review with meta-analysis demonstrated that supplementation with resveratrol does not have an anti-obesity effect.
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