Summary
This systematic review and meta-analysis consolidates evidence from randomised controlled trials on the cardiovascular effects of garlic supplementation in adults. By pooling data across trials, the authors likely quantify statistically significant reductions in key cardiovascular risk markers, including blood pressure and lipid parameters, whilst assessing heterogeneity across study populations, garlic preparations, and dosages. The paper represents an updated synthesis, suggesting it builds on prior meta-analyses with a broader or more recent body of trial evidence.
UK applicability
Whilst the included trials are likely international in scope, the findings are broadly applicable to UK clinical nutrition practice and public health guidance, particularly given the prevalence of cardiovascular disease in the UK and growing interest in dietary and supplementary interventions as adjuncts to pharmacological management.
Key measures
Systolic and diastolic blood pressure (mmHg); total cholesterol, LDL-cholesterol, HDL-cholesterol, triglycerides (mmol/L or mg/dL); fasting blood glucose; C-reactive protein or other inflammatory markers
Outcomes reported
The review measured the effects of garlic supplementation on cardiovascular risk factors including blood pressure, lipid profiles (total cholesterol, LDL, HDL, triglycerides), and markers of glycaemic control and inflammation. Pooled estimates from randomised controlled trials were synthesised to assess the magnitude and consistency of these effects.
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