L-Arginine 500 mg L-Ornithine 250 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 Capsule(s) · 1 per day

Not Present

• 

  Bluebonnet L-Arginine / L-Ornithine 500 mg / 250 mg

  DailyVita4.5(2)

  $16.76
• 

  Bluebonnet L-Ornithine 500 Mg

  Walmart - Bluebonnet Nutrition

  $30.80
• 

  Bluebonnet L-Arginine L-Ornithine 500 Mg/250 Mg

  Instacart4.5(2)

  $67570.00
• 

  Bluebonnet L Arginine

  Walmart - Bluebonnet Nutrition

  $11.96
• 

  Bluebonnet L-Arginine 500 Mg

  William's Natural Foods5.0(1)

  $22.50
• 

  Bluebonnet L-Tryptophan 500 mg

  iHerb4.6(84)

  $24.76
• 

  Blue Bonnet Amino Acid Capsules 60 Count

  Fruitful Yield

  $22.46
• 

  Bluebonnet Nutrition L-Arginine 500mg Free-Form Amino Acid Nitric Oxide Precursor Soy-Free Gluten-Free Non-GMO Kosher Certified 50 Vegetable Capsules

  GoSupps.com5.0(1)

  $29.99

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• GNC

  3.6 (26)

  Vitamin & supplements store

  2320 Edgewood Rd SW SUITE A, Cedar Rapids, IA 52404

  Directions(319) 390-0343

• Walgreens

  3.5 (134)

  Vitamin & supplements store

  3325 16th Ave SW, Cedar Rapids, IA 52404

  Directions(319) 221-1498

• R & R Organics

  Vitamin & supplements store

  408 Edgewood Rd NW Suite C, Cedar Rapids, IA 52405

  Directions(319) 450-6344

• CVS

  2.6 (81)

  Vitamin & supplements store

  3419 16th Ave SW, Cedar Rapids, IA 52404

  Directions(319) 396-3262

• Target

  4.4 (812)

  Department store

  3400 Edgewood Rd SW, Cedar Rapids, IA 52404

  Directions(319) 396-4444

• Whole Health Natural Foods

  4.0 (14)

  Vitamin & supplements store

  1175 Grand Ave, Marion, IA 52302

  Directions(319) 447-0955

• Walgreens

  3.6 (79)

  Vitamin & supplements store

  324 Edgewood Rd NW, Cedar Rapids, IA 52405

  Directions(319) 730-0636

• King & Queen Nutrition

  4.9 (72)

  Vitamin & supplements store

  2445 2nd St, Coralville, IA 52241

  Directions(319) 351-1375

• Biochemical responses of healthy subjects during dietary supplementation with L-arginine

  RW Evans, JD Fernstrom, J Thompson… - The Journal of nutritional …, 2004 - Elsevier

  … of healthy individuals to increasing doses of L-arginine (as free acid). Twelve healthy subjects … of L-arginine, glycine, and L-ornithine. This resulted in significant changes in the ratio of …

  2004127 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

• Subchronic tolerance trials of graded oral supplementation with ornithine hydrochloride or citrulline in healthy adults

  N Miura, K Morishita, T Yasuda, S Akiduki… - Amino Acids, 2023 - Springer

  … Ornithine and citrulline are amino acids used in dietary supplements and nutritional products consumed by healthy consumers, but the safe supplementation levels of these compounds …

  20239 citations

• Safety of dietary supplementation with arginine in adult humans

  …, CJ Meininger, CD Wilborn, CD Tekwe, G Wu - Amino acids, 2018 - Springer

  … l-Arginine (Arg) was traditionally been classified as a nutritionally nonessential amino acid for healthy adults because it is synthesized in the body to maintain nitrogen balance (Hou et al…

  201886 citations

• The Effects of Two Weeks of L-Citrulline Supplementation on Arterial Function and Systolic Blood Pressure at Rest and During Exercise in Postmenopausal …

  K Dillon - 2024 - ttu-ir.tdl.org

  … (eNOS) to catabolize the substrate larginine (L-ARG) into NO. … Arginase catabolizes L-ARG into urea and l-ornithine (L-ORN… not beneficial to vascular function and health. LCitrulline (L-…

  2024

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-12-13. DSLD Label ID: 279535. 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.