Abstract Title:

The effects of green coffee bean extract supplementation on lipid profile in humans: A systematic review and meta-analysis of randomized controlled trials.

Abstract Source:

Nutr Metab Cardiovasc Dis. 2020 Jan 3 ;30(1):1-10. Epub 2019 Oct 11. PMID: 31748178

Abstract Author(s):

Feng Ding, Baoping Ma, Ali Nazary-Vannani, Hamed Kord-Varkaneh, Somaye Fatahi, Maria Papageorgiou, Jamal Rahmani, Faezeh Poursoleiman, Israel Júnior Borges do Nascimento, Hui Li, Dongyang Han, Dongmei Wang

Article Affiliation:

Feng Ding


BACKGROUND AND AIM: This systematic review and meta-analysis aimed to assess the effects of green coffee bean extract (GCBE) supplementation on lipid profile in adults.

METHODS AND RESULTS: The PubMed/Medline, Scopus, Web of sciences, and Google Scholar were systematically searched for randomized controlled trials available in English and published before February 2019. The meta-analysis was conducted using fixed effects models, and between-study heterogeneity was assessed by Cochran's Q test and I. A total of 17 effect sizes were included in the meta-analysis. Combined effect sizes on serum total cholesterol concentrations revealed significant effects of GCBE supplementation on serum total cholesterol [weighted mean difference (WMD): -4.51 mg/dL, 95% confidence interval (CI): -6.89, -2.12, p < 0.001], low density lipoprotein-cholesterol (LDL-C) (WMD: -4.38 mg/dL, 95% CI: -6.44, -2.31, p < 0.001), and high density lipoprotein-cholesterol (HDL-C) (WMD: 2.63 mg/dL, 95% CI: 2.20, 3.07, p < 0.001) compared to controls. Nevertheless, no significant changes were observed in serum triglycerides levels (WMD: -4.34 mg/dL, 95% CI: -9.00, 0.32, p = 0.068).

CONCLUSION: The evidence from available studies suggests that the GCBE supplementation leads to significant reductions in total cholesterol, HDL-C, and LDL-C levels, and has modest, but, non-significant effects on triglycerides levels.

Study Type : Meta Analysis, Review

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