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The effect of soy and soy product supplementation on circulating adiponectin and leptin concentration: A systematic review and meta‐analysis of randomized controlled trials
  • Amirhossein farokhzad,
  • Wolfgong Marx
Amirhossein farokhzad
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Wolfgong Marx
Sichuan University
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Abstract

Background: Adiponectin is a well-known adipokines with anti-inflammatory effects. Leptin is known as its effect on food intake and energy. Here in present study we aimed to evaluate possible effect of soy supplementation on circulating adiponectin and leptin. Methods: Systematic search performed up to April 2020 in the following databases: PubMed, Scopus and Cochrane. All RCTs which evaluated the effect soy supplementation on adiponectin and leptin concentration were included. Results: According to our analysis on 14 studies, in overall, soy supplementation had significant effect on adiponectin concentration. Furthermore, soy supplementation has no significant effect on serum leptin concentration, but subgroup analysis showed significant increase in leptin concentration in studies with doses more than 20 g/day of soy supplementation. Conclusion: Soy supplementation has significant increasing effect on adiponectin level. Whilst pooled effect size did not show any significant effect of soy product supplementation on leptin level.

Peer review status:UNDER REVIEW

01 Sep 2020Submitted to International Journal of Clinical Practice
02 Sep 2020Assigned to Editor
02 Sep 2020Submission Checks Completed
03 Sep 2020Reviewer(s) Assigned
11 Sep 2020Review(s) Completed, Editorial Evaluation Pending