L-Ornithine 667 mg

Suggested Use

Suggested Use: 1 to 3 capsules 1 to 2 times daily. Use before exercise or at bedtime with plenty of water.

• 

  Source Naturals L Ornithine

  Chinese Herbs Direct4.9(347)

  $10.35Lowest
• 

  L-Ornithine OAKG

  PureBulk4.5(10)

  $18.75
• 

  L-Ornithine - 120 gélules

  Naturitas4.2(5)

  $18.15
• 

  L-Ornithine 500 mg 120 Capsules

  NutritionHQ

  $23.49
• 

  Nutricost L-Ornithine

  Femologist4.8(562)

  $18.95

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• Safety assessment of L-ornithine oral intake in healthy subjects: a systematic review

  H Yang, Y Kuramochi, S Sato, R Sakai, K Hayamizu - Amino Acids, 2025 - Springer

  … L-Ornithine (L-Orn) is a nonessential amino acid but has many physiological roles. Accordingly, L-Orn … Table 1 Characteristics of the included studies in systematic review [L-ornithine …

  20253 citations

• Oral intake of L-ornithine-L-aspartate is associated with distinct microbiome and metabolome changes in Cirrhosis

  A Horvath, J Traub, B Aliwa, B Bourgeois, T Madl… - Nutrients, 2022 - mdpi.com

  … Available treatment modalities to lower ammonia include L-ornithine-L-aspartate (… L-ornithine and L-aspartate in LOLA dissociate readily and are consecutively absorbed. L-ornithine …

  202215 citations

• miR-9394b from Lactobacillus paracasei extracellular vesicles targets iNOS to reprogram host NO-ornithine metabolism and ameliorate DSS-induced murine colitis

  H Ding, H Zhang, D Li, Z Hu, G Xiang, Q Nie… - npj Biofilms and …, 2026 - nature.com

  … Notably, a recent study demonstrated that gut-microbial L-ornithine synergizes with the biologic agent ustekinumab to improve treatment outcomes in Crohn's disease49. This pivotal …

  2026

• Submicron Particulate Matter (PM1)-Induced Pulmonary Injury and Epigallocatechin-3-Gallate Intervention: Modulation of Disorders in Amino Acid …

  Q Zhou, J Cao, X Lang, S Wang, X Feng… - Environmental …, 2026 - ACS Publications

  2026

• Deciphering underground decarboxylase activity towards Nε-modified lysine derivatives in enterobacteria.

  EF Aveta, P Vougioukas, F Qi, J Mehler, KI Behringer… - bioRxiv, 2026 - biorxiv.org

  … sources: 10 mM 155 CML, L-ornithine, L-lysine, NH4Cl, or no nitrogen. Growth was recorded every 30 min for 48 h at 156 37C. Maximum OD increase was calculated from three …

  20261 citations

• An observational study on the effect of L-ornithine-L-aspartate (LOLA) on the gut microbiome in liver cirrhosis. A single center phase 4 study

  D Habich, A Horvath, N Feldbacher, L Rebol, M Nepel… - Clinical Nutrition, 2025 - Elsevier

  … We showed 60 in a retrospective study that L-ornithine-L-aspartate (LOLA) was associated with improvement in 61 taxonomic composition of the microbiome. Here we prospectively …

  20251 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-08-23. DSLD Label ID: 295949. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.