rct
2007
Oral treatment with L-lysine and L-arginine reduces anxiety and basal cortisol levels in healthy humans
Smriga M, Ando T, Akutsu M
Published in Biomedical Research
Key Findings
Combined L-lysine and L-arginine (2.64 g/day) reduced trait anxiety and salivary cortisol responses to stress in healthy adults.
Conclusions
Preliminary anxiolytic signal for the amino acid combination, not lysine alone.
Limitations
Small sample, combination product.
Supplements Studied
L-Lysine
Amino Acid
Combined L-lysine and L-arginine reduced trait anxiety and basal salivary cortisol in healthy adults.
L-Arginine
Amino Acid
Combined L-lysine and L-arginine (2.64 g/day) reduced trait anxiety and salivary cortisol responses to stress in healthy adults.
Related Health Concerns
Study Details
Year:2007
Sample Size:108
Duration:1 weeks
Quality Score:5/10
Access Study
This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.