L-Ornithine hydrochloride is a non-proteinogenic amino acid salt that plays a critical role in the urea cycle and various metabolic processes. Below are its main functions listed in clear, concise English points:
Enhances ammonia detoxification: As a key intermediate in the urea cycle, L-ornithine hydrochloride helps convert toxic ammonia into urea in the liver, facilitating its excretion and reducing blood ammonia levels.
Supports liver health and function: By promoting ammonia clearance, it alleviates hepatic metabolic burden and is used as a therapeutic agent in conditions like hepatic encephalopathy and liver cirrhosis.
Stimulates growth hormone secretion: Clinical studies suggest oral intake of L-ornithine hydrochloride can elevate plasma growth hormone levels, which may enhance muscle growth, protein synthesis, and post-exercise recovery.
Reduces physical fatigue: Supplementation has been shown to attenuate subjective feelings of fatigue during prolonged physical exertion by modulating lipid and amino acid metabolism.
Boosts immune function: It contributes to immune cell proliferation and activation, enhancing overall immunity, particularly beneficial during convalescence or in individuals with weakened health.
Promotes energy and exercise performance: Through its role in ammonia metabolism and potential influence on energy pathways, it may improve endurance and delay fatigue during high-intensity anaerobic exercise.
Acts as a biochemical precursor: Serves as a starting material for the synthesis of other biologically important molecules such as polyamines, proline, and glutamate, supporting cellular growth and tissue repair.
Improves nutrient utilization in clinical and sports nutrition: Widely used in parenteral and enteral nutrition formulas, as well as in sports supplements, to support metabolic balance, muscle preservation, and recovery.


