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Related Experiment Video

Updated: Jun 25, 2026

Network Pharmacology Prediction and Metabolomics Validation of the Mechanism of Fructus Phyllanthi against Hyperlipidemia

Network Pharmacology Prediction and Metabolomics Validation of the Mechanism of Fructus Phyllanthi against Hyperlipidemia

Published on: April 7, 2023

Garlic supplementation and serum cholesterol: a meta-analysis.

Y S K Khoo¹, Z Aziz

¹Department of Pharmacy, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.

Journal of Clinical Pharmacy and Therapeutics

|March 3, 2009

Summary

This systematic review found that garlic consumption does not significantly impact serum cholesterol levels. Evidence from randomized controlled trials indicates no beneficial effects of garlic on total cholesterol, LDL, or HDL levels.

Related Experiment Videos

Last Updated: Jun 25, 2026

Network Pharmacology Prediction and Metabolomics Validation of the Mechanism of Fructus Phyllanthi against Hyperlipidemia

Network Pharmacology Prediction and Metabolomics Validation of the Mechanism of Fructus Phyllanthi against Hyperlipidemia

Published on: April 7, 2023

Area of Science:

Cardiovascular Disease Prevention
Nutritional Science
Integrative Medicine

Background:

Cardiovascular disease (CVD) prevention strategies often involve managing risk factors like elevated serum cholesterol.
Garlic consumption has been proposed as a dietary intervention, but its efficacy in altering cholesterol levels remains debated.
Inconsistent findings necessitate a critical evaluation of existing evidence.

Purpose of the Study:

To systematically review and synthesize evidence from randomized controlled trials (RCTs) on the effects of garlic on serum cholesterol levels.
To provide a meta-analysis of high-quality studies to clarify garlic's impact on lipid profiles.

Main Methods:

A comprehensive literature search was conducted across major databases (Cochrane Library, MEDLINE, EMBASE) and other sources up to March 2008.
Included were RCTs of 11-24 weeks duration evaluating garlic's effect on cholesterol in healthy and hypercholesterolemic individuals.
Data extraction and quality assessment were performed independently, followed by meta-analysis.

Main Results:

Thirteen RCTs involving 1056 participants were included in the meta-analysis.
Garlic administration showed no statistically significant differences compared to placebo for total cholesterol, LDL-cholesterol, triglycerides, or apolipoprotein B.
No significant effect was observed on HDL-cholesterol levels, with moderate to high heterogeneity noted among studies.

Conclusions:

Current evidence from RCTs does not support a beneficial effect of garlic on serum cholesterol levels.
The heterogeneity observed in pooled studies limits the ability to draw definitive conclusions.
Further research may be needed to clarify any potential role of garlic in lipid management.