What is the influence of grape products on liver enzymes? A systematic review and meta-analysis of randomized controlled trials.

Objective: This systematic review and meta-analysis were aimed to determine the effects of grape products on liver enzymes in adults.

Methods: Databases including PubMed/Medline, Cochrane Library, ISI Web of Science, and Scopus were searched up to February 2021. Randomized clinical trials (RCTs) investigating the effect of grape products on serum concentrations of liver enzymes were included.