L-Ornithine 500 mg®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1–3 Capsule(s) · 1 per day

Not Present

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  Nutricost L-Ornithine

  iHerb4.7(590)

  $14.95
• 

  Nutricost L-Arginine L-Ornithine 750mg

  Walmart - eSupplements, llc4.4(172)

  $16.95
• 

  Vitacost L-Ornithine 500 mg

  iHerb5.0(3)

  $8.59
• 

  Swanson L-Ornithine Amino Acid

  Swanson Health Products4.7(665)

  $6.29Lowest
• 

  Nutricost L-Arginine Capsules

  Walmart - eSupplements, llc4.4(258)

  $19.95
• 

  Nutricost Acetyl L-Carnitine 500mg 180 Capsules

  Target4.7(2300)

  $18.95
• 

  Nutricost L-Arginine Powder

  Nutricost3.9(1100)

  $24.97
• 

  Vitacost L-Arginine & L-Ornithine 500 mg/250 mg

  iHerb4.6(10)

  $7.49

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• World's Best Supplements

  5.0 (3)

  Vitamin & supplements store

  255 S Orange Ave Ste 104, Orlando, FL 32801

  Directions(305) 902-5201

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  7030 W 159th St, Orland Park, IL 60462

  Directions(708) 444-2114

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  100 Park Ave, New York, NY 10017

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  8420 Eager Rd, St. Louis, MO 63144

  Directions(314) 961-3935

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  1535 W Loop S Ste 200, Houston, TX 77027

  Directions(800) 778-7191

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  6010 Meadowridge Center Dr K, Elkridge, MD 21075

  Directions(443) 483-3340

• Natural Vitamins

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  4400 NW 133rd St, Opa-locka, FL 33054

  Directions(305) 265-1660

• L-ornithine supplementation attenuates physical fatigue in healthy volunteers by modulating lipid and amino acid metabolism

  T Sugino, T Shirai, Y Kajimoto, O Kajimoto - Nutrition research, 2008 - Elsevier

  … fashion: 2 capsules of 500 mg of l-ornithine hydrochloride (Kyowa Hakko Kogyo … mg of crystalline cellulose (JRS Pharma GmbH & Co KG, Rosenberg, Germany). The dose of l-ornithine …

  2008197 citations

• 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 has been used as a functional food or dietary supplement to ameliorate various …

  20254 citations

• Effects of Oral Ingestion of L-Ornithine on Mental Stress and Fatigue Based on the Trier Social Stress Test in Healthy Humans: A Randomized, Double-Blind …

  K Moriyasu, A Nakajima, M Morita - Journal of Clinical Medicine, 2024 - mdpi.com

  … The consumption of medicines, supplements, and health foods that contain ornithine or are related to mental stress was prohibited. Activities to relieve stress and recover from fatigue …

  20242 citations

• Retinal risks of high-dose ornithine supplements: a review

  S Hayasaka, T Kodama, A Ohira - British journal of nutrition, 2011 - cambridge.org

  … 8d on physical fatigue in seventeen healthy volunteers and found that … L-ornithine group than in the placebo group, and the authors have recommended ornithine intake as a supplement…

  201138 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

  … link between the pathophysiology of hepatic encephalopathy and muscle health. … L-ornithine and L-aspartate in LOLA dissociate readily and are consecutively absorbed. L-ornithine …

  202217 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-06-24. DSLD Label ID: 223400. 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.