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RETRACTED ARTICLE: Effect of l-citrulline supplementation on blood pressure: a systematic review and meta-analysis of randomized controlled trials
Authors
S. Jafarnejad
S. Mahboobi
S. Rezaei
C. Tsang
Publication date
1 January 2019
Publisher
Springer Nature
Abstract
The objective of this study was to systematically investigate the efficacy of oral l-citrulline supplementation on systolic and diastolic blood pressure. Studies were identified by a search of electronic databases from inception to April 2018, and combined and stratified analyses were used. Fifteen trials were identified, and data from 424 participants were included. Pooled analysis showed significant reductions in systolic blood pressure by �7.54 mmHg (95 confidence interval (CI): �9.44, �5.63; P < 0.001, I2 = 14) and diastolic blood pressure by �3.77 mmHg (95 CI: �5.67, �1.86, P < 0.001, I2 = 42) following oral supplementation of l-citrulline or a watermelon extract. No changes were detected in controls. Significant heterogeneity (I2 = 42, P = 0.04) was found for diastolic blood pressure, and subgroup analysis showed significant improvements in systolic and diastolic blood pressure, particularly for study durations: �6 weeks, lower doses: �4 g/day, and in participants with higher baseline values: �130/85 mmHg. In conclusion, l-citrulline improves systolic and diastolic blood pressure and may be more efficacious in pre-hypertensive and hypertensive populations. © 2018, Springer Nature Limited
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kashan university of medical sciences
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oai:eprints.kaums.ac.ir:4774
Last time updated on 31/12/2019