meta_analysis
2021
Comparison of efficacy and safety of daily oral L-arginine and PDE5Is alone or in combination in treating erectile dysfunction: a systematic review and meta-analysis of randomised controlled trials
Gao L, Zhao Z, Zhang L, Shao G
Published in Andrologia
Key Findings
L-arginine alone improved IIEF scores versus placebo, and combining arginine with PDE5 inhibitors outperformed PDE5 inhibitors alone without extra adverse events.
Conclusions
Arginine is a reasonable adjunct to standard ED therapy.
Limitations
Few trials; variable arginine doses and forms; short follow-up.
Supplements Studied
L-Arginine
Amino Acid
L-arginine alone improved IIEF scores versus placebo, and combination with PDE5 inhibitors outperformed PDE5 inhibitors alone.
Related Health Concerns
Study Details
Year:2021
Sample Size:400
Duration:12 weeks
Quality Score:6/10
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