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Types of L-Ornithine: Forms & Bioavailability

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Forms Comparison

FormBioavailabilityBest For
L-Ornithine HClModerateGeneral supplementation; most common form
L-Ornithine-L-Aspartate (LOLA)ModerateLiver support and hepatic encephalopathy treatment
Ornithine Alpha-Ketoglutarate (OKG)ModerateWound healing and clinical nutrition applications

L-Ornithine HCl

Bioavailability: Moderate. Best for: General supplementation; most common form.

L-Ornithine-L-Aspartate (LOLA)

Bioavailability: Moderate. Best for: Liver support and hepatic encephalopathy treatment.

Ornithine Alpha-Ketoglutarate (OKG)

Bioavailability: Moderate. Best for: Wound healing and clinical nutrition applications.

Full L-Ornithine Guide

References

  1. (). Randomised controlled trial of the effects of L-ornithine on stress markers and sleep quality in healthy workers. Nutrition Journal. DOI
  2. (). L-ornithine supplementation attenuates physical fatigue in healthy volunteers by modulating lipid and amino acid metabolism. Nutrition Research. DOI
  3. (). L-Ornithine L-Aspartate (LOLA) for Hepatic Encephalopathy in Cirrhosis: Results of Randomized Controlled Trials and Meta-Analyses. Drugs. DOI