rct
2014
Randomised controlled trial of the effects of L-ornithine on stress markers and sleep quality in healthy workers
Miyake M, Kirisako T, Kokubo T
Published in Nutrition Journal
Key Findings
L-ornithine 400 mg/day for eight weeks reduced the cortisol/DHEA-S ratio and improved sleep quality and mood scores versus placebo.
Conclusions
Modest stress and sleep effects in healthy workers.
Limitations
Self-reported sleep, industry funded.
Supplements Studied
L-Ornithine
Amino Acid
L-ornithine 400 mg/day reduced the cortisol to DHEA-S ratio and improved sleep quality scores versus placebo.
Outcomes Measured
L-ornithine 400 mg/day for eight weeks reduced the cortisol/DHEA-S ratio and improved sleep quality and mood scores versus placebo.
Related Health Concerns
Study Details
Year:2014
Sample Size:52
Duration:8 weeks
Quality Score:6/10
Access Study
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