Meta-analysis of studies reporting an effect of resveratrol supplementation on lipid metabolic parameters (total cholesterol; HDL, high-density lipoprotein; LDL, low-density lipoprotein) using a fixed-effects model.

<p>CI indicates confidence interval.</p

Characteristics of patients in the included studies.

<p>Characteristics of patients in the included studies.</p

Flowchart of study inclusions and exclusions.

<p>Flowchart of study inclusions and exclusions.</p

Meta-analysis of studies reporting an effect of resveratrol supplementation on glucose metabolic parameters (glucose; insulin; HOMA-IR, homeostatic model assessment of insulin resistance) using a random-effects model.

<p>CI indicates confidence interval.</p

Meta-analysis of studies reporting an effect of resveratrol supplementation on bilirubin and TNF-α (tumor necrosis factor α) levels using a fixed-effects model.

<p>The upper section indicates bilirubin levels and the lower section reveals TNF-α levels. CI indicates confidence interval.</p

Meta-analysis with studies reporting effect of resveratrol supplementation on anthropometric index (BMI, body mass index) and clinical parameters (SBP, systolic blood pressure; DBP, diastolic blood pressure) using a fixed-effects model.

<p>CI indicates confidence interval.</p

Meta-analysis of studies reporting an effect of resveratrol supplementation on levels of liver enzymes (ALT, alanine aminotransferase; AST, aspartate aminotransferase; GTT, γ-glutamyltransferase) using a fixed-effects model.

<p>CI indicates confidence interval.</p