L-Arginine 400 mg

Amino Acids & Protein

Brand: Signature Supplements

CapsuleOn Market
Click to view full label

Net Contents

100 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

Not specified

Product Version

Not specified

Suggested Use

Directions: For adults; take one (1) to two (2) capsules daily; preferably with a meal.

Market Reference

$8.97 – $168.97· 4 listings
  • Your Signature Supplements L-Arginine 100 Capsules

    Your Signature Supplements
    $8.97Lowest
  • L-Arginine Powder

    BulkSupplements.com4.6(1600)
    $168.97
  • L-Arginine

    Naturitas4.8(7100)
    $9.74
  • Green Line Nutritheke Arginin 400 mg Kapseln

    apohealth.de
    $24.98

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

  • Nutrishop the Gulch Nashville

    5.0 (61)

    Vitamin & supplements store

    1008 Division St, Nashville, TN 37203

  • Ephedra Warehouse

    5.0 (4)

    Vitamin & supplements store

    2817 West End Ave #202, Nashville, TN 37203

  • GNC

    3.4 (40)

    Vitamin & supplements store

    2817 West End Ave, Nashville, TN 37203

  • LivPur

    1.0 (1)

    Vitamin & supplements store

    21 Music Square W, Nashville, TN 37203

  • The B-12 Store Opry Mills

    4.7 (78)

    Vitamin & supplements store

    365 Opry Mills Dr, Nashville, TN 37214

  • The Vitamin Shoppe

    4.6 (24)

    Vitamin & supplements store

    3175 Lebanon Pike Ste 103, Nashville, TN 37214

  • USANA Distributor | Website Order

    Vitamin & supplements store

    1000 Broadway, Nashville, TN 37203

  • Dr. Henry's Vitamins

    Vitamin & supplements store

    300 20th Ave N, Nashville, TN 37203

Research & Studies

  • Proteobacteria impair anti-tumor immunity in the omentum by consuming arginine

    S Meza-Perez, M Liu, A Silva-Sanchez, CD Morrow… - Cell host & …, 2024 - cell.com

    … by L-arginine supplementation, we performed a CD8 + T cell suppression assay. We found that Tregs from mice on L-arginine supplementation … or absence of L-arginine and assayed …

    202431 citations
  • Atherosclerosis linked to aberrant amino acid metabolism and immunosuppressive amino acid catabolizing enzymes

    BL Zaric, JN Radovanovic, Z Gluvic, AJ Stewart… - Frontiers in …, 2020 - frontiersin.org

    … White rabbits, a decrease in macrophage accumulation and induction in macrophage apoptosis in intimal lesions were found to mediate the antiatherogenic effects of L-arginine (L-Arg) …

    2020105 citations
  • Monocyte infiltration induces CNS arginine catabolism to fuel neuroinflammation

    M Kerndl, L Musiejovsky, A Komljenovic, HS Lam… - Nature …, 2026 - nature.com

    … CAMs express a different transcriptional signature than resident … 4b), we next examined how L-arginine impacts macrophage … 10), further strengthening the effects of L-arginine on …

    2026
  • Amino acid supplementation enhances in vivo efficacy of lipid nanoparticle–mediated mRNA delivery in preclinical models

    K Chen, W Wang, A Lennon, RA McClure… - Science Translational …, 2026 - science.org

    20262 citations
  • The Therapeutic Potential of Silymarin and L-Arginine Cream: Molecular Docking and In Vivo Anti-Inflammatory Study for Neuroinflammation.

    Y Bhalodiya, A Ruparel, B Dedakia, D Shah… - researchgate.net

    … This project focuses on the formulation of a painrelieving cream with L-arginine as API (… L-arginine is a semiessential amino acid with antioxidant activity. L-arginine is an amino acid that …

  • L-arginine metabolism in breast cancer: mechanisms and therapeutic targets

    A Röglin, R Böger, J Hannemann - Frontiers in Oncology, 2026 - frontiersin.org

    … L-arginine metabolism has been explored by three main approaches: L-arginine starvation, L-arginine supplementation… of current knowledge on L-arginine metabolism in breast cancer, …

    2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-09-25. DSLD Label ID: 338803. 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.