Flaxseed Lowers Blood Pressure in Hypertensive Subjects: A Meta-Analysis of Randomized Controlled Trials.

Clin Nutr Res

Department of General Courses, School of Management and Medical Information Sciences, Isfahan University of Medical Sciences, Isfahan 8174673461, Iran.

Published: October 2024

This systematic review and meta-analysis study aimed to evaluate the effectiveness of flaxseed supplementation on blood pressure (BP) in patients with hypertension based on the data from randomized clinical trials (RCTs). Three databases (PubMed [MEDLINE], Scopus, and ISI Web of Science) were searched from inception up to August 10, 2024. Relevant studies meeting our eligibility criteria were obtained. A random-effects model was used to estimate pooled weighted mean differences (WMDs) with 95% confidence intervals (CIs). The methodological quality of individual studies was assessed using the Cochrane Collaboration risk of bias tool. A total of 5 studies were included and analyzed using STATA software version 12. The results show that there is a significant decrease in systolic BP (WMD, -8.64 mmHg; 95% CI, -15.41 to -1.87; p ≤ 0.001) and diastolic BP (WMD, -4.87 mmHg; 95% CI, -8.37 to -1.37; p = 0.006) of patients with hypertension as compared to control groups. This study supported that flaxseed supplementation had favorable effects on BP control in hypertensive patients. It may be a promising adjuvant therapy for patients with hypertension.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11543448PMC
http://dx.doi.org/10.7762/cnr.2024.13.4.295DOI Listing

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