Fig. 5

Subgroup analysis of resveratrol supplements versus placebo on serum ALP. The funnel plots of subgroup analysis of the effects of (a) doses of resveratrol, (b) intervention duration, (c) doses and intervention duration, (d) with or without diabetes, (d) with or without NAFLD, and (e) with or without obesity on serum ALP. Abbreviations: ALP, alkaline phosphatase; NAFLD, non-alcoholic fatty liver disease