meta_analysis
2011
High Quality
Effect of oral L-arginine supplementation on blood pressure: a meta-analysis of randomized, double-blind, placebo-controlled trials
Dong JY, Qin LQ, Zhang Z, Zhao Y, Wang J, Arigoni F, Zhang W
Published in American Heart Journal
Key Findings
Pooling 11 trials, oral L-arginine reduced systolic blood pressure by about 5.4 mmHg and diastolic by about 2.7 mmHg versus placebo.
Conclusions
Oral L-arginine significantly lowers blood pressure in adults.
Limitations
Heterogeneous doses (4-24 g/day), mostly short trials, several small studies driving the effect.
Supplements Studied
L-Arginine
Amino Acid
Oral L-arginine reduced systolic blood pressure by about 5.4 mmHg and diastolic by about 2.7 mmHg versus placebo.
Outcomes Measured
Oral L-arginine reduced systolic blood pressure by about 5.4 mmHg versus placebo.
Related Health Concerns
Study Details
Year:2011
Sample Size:387
Duration:4 weeks
Quality Score:8/10
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This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.