Effect of resveratrol supplementation on cognitive performance and mood in adults: A systematic literature review and meta-analysis of randomized controlled trials

Wolfgang Marx, Jaimon T Kelly, Skye Marshall, Jennifer Cutajar, Brigitte Annois, Andrew Pipingas, Audrey Tierney, Catherine Itsiopoulos

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Abstract

Context: The aim of this systematic review was to evaluate clinical trial data regarding the effect of resveratrol supplementation on cognitive performance and mood in populations that are healthy and in the clinical setting.

Data Sources: Using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic literature review of randomized controlled trials was conducted.

Data Extraction: A meta-analysis was also conducted to determine treatment effect on the following cognitive domains and mental processes: processing speed, number facility, memory, and mood. Risk of bias was assessed using the Cochrane Collaboration Risk of Bias tool. Quality of the body of evidence was assessed by evidence for each outcome related to cognitive function for which data was assessed using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE).

Results: Ten studies were included. Three studies found resveratrol supplementation significantly improved some measures of cognitive performance, 2 reported mixed findings, and 5 found no effect. When data were pooled, resveratrol supplementation had a significant effect on delayed recognition (standardized mean difference [SMD], 0.39; 95% confidence interval [CI], 0.08-0.70; I2 = 0%; P = 0.01; n = 3 studies; n = 166 participants) and negative mood (SMD, -0.18; 95%CI, -0.31 to -0.05; I2 = 0%; P = 0.006; n = 3 studies; n = 163 participants). Included studies generally had low risk of bias and were of moderate or high quality.

Conclusions: The results of this review indicate that resveratrol supplementation might improve select measures of cognitive performance; however, the current literature is inconsistent and limited.

Original languageEnglish
Pages (from-to)432-443
Number of pages12
JournalNutrition Reviews
Volume76
Issue number6
Early online date27 Mar 2018
DOIs
Publication statusPublished - 27 Mar 2018

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Meta-Analysis
Randomized Controlled Trials
Confidence Intervals
Mental Processes
Information Storage and Retrieval
Cognition
Clinical Trials
Guidelines
resveratrol
Population

Cite this

Marx, Wolfgang ; Kelly, Jaimon T ; Marshall, Skye ; Cutajar, Jennifer ; Annois, Brigitte ; Pipingas, Andrew ; Tierney, Audrey ; Itsiopoulos, Catherine. / Effect of resveratrol supplementation on cognitive performance and mood in adults : A systematic literature review and meta-analysis of randomized controlled trials. In: Nutrition Reviews. 2018 ; Vol. 76, No. 6. pp. 432-443.
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Effect of resveratrol supplementation on cognitive performance and mood in adults : A systematic literature review and meta-analysis of randomized controlled trials. / Marx, Wolfgang; Kelly, Jaimon T; Marshall, Skye; Cutajar, Jennifer; Annois, Brigitte; Pipingas, Andrew; Tierney, Audrey; Itsiopoulos, Catherine.

In: Nutrition Reviews, Vol. 76, No. 6, 27.03.2018, p. 432-443.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - Effect of resveratrol supplementation on cognitive performance and mood in adults

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AU - Kelly, Jaimon T

AU - Marshall, Skye

AU - Cutajar, Jennifer

AU - Annois, Brigitte

AU - Pipingas, Andrew

AU - Tierney, Audrey

AU - Itsiopoulos, Catherine

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N2 - Context: The aim of this systematic review was to evaluate clinical trial data regarding the effect of resveratrol supplementation on cognitive performance and mood in populations that are healthy and in the clinical setting.Data Sources: Using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic literature review of randomized controlled trials was conducted.Data Extraction: A meta-analysis was also conducted to determine treatment effect on the following cognitive domains and mental processes: processing speed, number facility, memory, and mood. Risk of bias was assessed using the Cochrane Collaboration Risk of Bias tool. Quality of the body of evidence was assessed by evidence for each outcome related to cognitive function for which data was assessed using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE).Results: Ten studies were included. Three studies found resveratrol supplementation significantly improved some measures of cognitive performance, 2 reported mixed findings, and 5 found no effect. When data were pooled, resveratrol supplementation had a significant effect on delayed recognition (standardized mean difference [SMD], 0.39; 95% confidence interval [CI], 0.08-0.70; I2 = 0%; P = 0.01; n = 3 studies; n = 166 participants) and negative mood (SMD, -0.18; 95%CI, -0.31 to -0.05; I2 = 0%; P = 0.006; n = 3 studies; n = 163 participants). Included studies generally had low risk of bias and were of moderate or high quality.Conclusions: The results of this review indicate that resveratrol supplementation might improve select measures of cognitive performance; however, the current literature is inconsistent and limited.

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