Effect of garlic supplementation on serum C-reactive protein level: A systematic review and meta-analysis of randomized controlled trials

Taghizadeh, M. and Hamedifard, Z. and Jafarnejad, S. (2019) Effect of garlic supplementation on serum C-reactive protein level: A systematic review and meta-analysis of randomized controlled trials. Phytotherapy Research, 33 (2). pp. 243-252.

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Abstract

The present study was designed to systematically review randomized controlled trials (RCTs) that report on the effects of garlic supplementation on serum C-reactive protein (CRP) levels. We conducted a literature search of Scopus, PubMed, Cochrane Library, and Google Scholar up to January 2018. Weighted mean differences (WMD) were estimated for net change in serum CRP. Subgroup analyses were also performed by duration of study, dose of supplementation, baseline CRP level, and the quality of studies. From 438 articles found and screened in our initial search, nine RCTs with the sum of total sample size of 363 were included in the meta-analysis. Compared with the controls, garlic intake significantly reduced the concentrations of serum CRP by 0.8 mg/L (95 CI �1.5, �0.1, p = 0.02) with the evidence of heterogeneity among studies. Subgroup analyses showed that garlic significantly lowered CRP by 0.82 mg/L (95% CI �1.02, �0.62, p < 0.001) among studies with a daily garlic dose �1,200 mg/day and by 2.44 mg/L (95% CI �4.02, �0.87, p = 0.002) among studies with baseline CRP �2 mg/L. Current data confirmed that garlic supplementation would reduce serum CRP levels. However, the changes were related to the supplemental doses and baseline levels of serum CRP. © 2018 John Wiley & Sons, Ltd.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: C reactive protein; garlic extract; placebo, coronary artery disease; diet supplementation; drug coating; drug mechanism; garlic; human; meta analysis; non insulin dependent diabetes mellitus; obesity; protein blood level; randomized controlled trial (topic); Review; sample size; systematic review
Subjects: Nutrition
Biochemistry, Genetics and Molecular Biology
Divisions: Faculty of Medicine > Basic Sciences > Department of Biochemistry
Depositing User: ART . editor
Date Deposited: 11 May 2019 11:09
Last Modified: 11 May 2019 11:09
URI: http://eprints.kaums.ac.ir/id/eprint/3715

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