L-Ornithine 400mg

Amino acid

Clears ammonia - the waste product your body builds up during the day - so your brain can finally power down at night.

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Miyake, Mika, et al.
"Randomised Controlled Trial of the Effects of L-Ornithine on Stress Markers and Sleep Quality in Healthy Workers."
Nutrition Journal, vol. 13, 2014, article 53.
After 4 Weeks
26%
reduction in the cortisol/DHEA-S stress ratio
47%
reduction in insomnia symptoms from baseline
100%
improvement in ability to fall asleep & stay asleep
14%
improvement in sleep duration from baseline

Clears ammonia - the waste product your body builds up during the day - so your brain can finally power down at night.

L-Ornithine supports sleep by calming the body's stress response. It helps regulate the HPA axis to lower cortisol, aids the urea cycle in clearing ammonia, and promotes more efficient energy metabolism — together easing both physical and mental fatigue.

By lowering cortisol and clearing stress-related metabolites more quickly, L-Ornithine reduces hyperarousal, irritability, and tension, helping the body shift into its parasympathetic "rest-and-digest" state that supports relaxation and easier sleep onset. It also serves as a precursor to polyamines, which may aid neuronal recovery and further stabilize mood and sleep quality.

https://pubmed.ncbi.nlm.nih.gov/24889392/

https://www.sciencedirect.com/science/article/abs/pii/S0271531708001929

https://www.mdpi.com/2077-0383/13/24/7583

https://link.springer.com/article/10.1186/1475-2891-13-53