Pure L-Arginine Powder®

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: 6 Gram(s) · 1 per day

Not Present

• 

  Doctor's Best L-Arginine Powder

  Vitacost.com4.7(1000)

  $18.99
• 

  Doctor's Best Pure L-Arginine Powder

  Shipman's Pharmacy

  $25.85
• 

  Doctor's Best Fast Acting Arginine Complex with Nitrosigine

  iHerb4.8(268)

  $17.99Lowest
• 

  Doctor's Best L-Arginine Sustained Plus Immediate Release Bilayer Tablets

  PureFormulas.com4.8(423)

  $18.16

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• Nutrition Depot

  5.0 (112)

  Vitamin & supplements store

  2005 Southwest Fwy, Houston, TX 77098

  Directions(346) 516-0878

• PureFormulas

  4.7 (1088)

  Vitamin & supplements store

  11800 NW 102nd Rd #2, Medley, FL 33178

  Directions(800) 383-6008

• Supplement Superstore

  5.0 (1389)

  Vitamin & supplements store

  8420 Eager Rd, St. Louis, MO 63144

  Directions(314) 961-3935

• Pure Essentials Supplements

  5.0 (2)

  Vitamin & supplements store

  121 Varick St, New York, NY 10013

  Directions(212) 758-3200

• Supplement Superstores

  5.0 (1203)

  Vitamin & supplements store

  7344 W 135th St, Overland Park, KS 66223

  Directions(913) 402-6813

• The Vitamin Shoppe

  4.5 (210)

  Vitamin & supplements store

  137 E Rte 4, Paramus, NJ 07652

  Directions(201) 556-1117

• PureBulk, Inc.

  4.7 (305)

  Vitamin & supplements store

  1640 Austin Rd, Roseburg, OR 97471

  Directions(541) 679-1500

• Supplement Superstore

  5.0 (734)

  Vitamin & supplements store

  2090 Washington Crossing, Washington, MO 63090

  Directions(636) 432-1880

• Safety of dietary supplementation with arginine in adult humans

  CJ McNeal, CJ Meininger, CD Wilborn, CD Tekwe… - 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

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

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

  … However, the optimal level of L-arginine supplementation is unclear. The objective of this … of healthy individuals to increasing doses of L-arginine (as free acid). Twelve healthy subjects …

  2004127 citations

• L-Citrulline and L-Arginine Supplementation in Cardiovascular and Exercise Physiology-A Comprehensive Review on Endothelial Function, Blood Pressure, and …

  P Dembicki, AE Francuziak, K Kozłowska, TK Książek… - Quality in Sport, 2025 - apcz.umk.pl

  … L-citrulline and L-arginine are amino acids … L-arginine supplementation in improving endothelial function, lowering blood pressure, and enhancing physical performance in both healthy …

  2025

• L-arginine supplementation and risk factors of cardiovascular diseases in healthy men: a double-blind randomized clinical trial

  N Pahlavani, M Jafari, O Sadeghi, M Rezaei… - …, 2017 - pmc.ncbi.nlm.nih.gov

  … L-arginine, this clinical trial aimed to evaluate the effects of 45 days L-arginine supplementation … In the present study, we hypothesized that 2g per day L-arginine supplementation during …

  201783 citations

• L-Arginine

  GD AZ, DI Checker, PL Tool - rxlist.com

  … Supplementing a feeding tube with L-arginine does not seem to improve immune function, reduce tumor size, or improve healing in people with head and neck cancer. …

• Effects of in vivo and in vitro L-arginine supplementation on healthy human vessels

  JPF Chin-Dusting, CT Alexander… - Journal of …, 1996 - journals.lww.com

  … We studied the influence of dietary L-arginine (L-ARG) supplementation on forearm resistance arteries in vivo and the effect of exogenous addition of L-ARG to subcutaneous arteries …

  1996136 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-05-28. DSLD Label ID: 203218. 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.