THORNE L-Arginine, Sustained Release Formula, 120 Capsules | Supports Heart Health, Nitric Oxide Production, Exercise Capacity & Optimal Blood Flow*

$19.80 USD
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  • Circulation Support: Benefits heart health, collagen formation, and more by helping relax the arteries and regulate blood flow to the extremities and throughout the body*
  • Sustained-Release Formula: Maintains optimal levels of arginine over 24 hours when taken twice daily as suggested
  • Athletic Performance: Enhances muscle capacity and output during exercise and helps promote cellular repair*
  • Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
  • Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)
Primary Supplement TypeArginine
Item FormCapsule
Diet TypeGluten Free
Product BenefitsAmino Acids Heart & Vessels Men's Health
Age Range DescriptionAdult
Container TypeBottle
Dosage FormCapsule
UPC693749525028
ManufacturerThorne Research
Global Trade Identification Number00693749525028
Model NumberThorne Research
Manufacturer Part NumberSA525-R
Unit Count120 Count
Item Weight5 ounces
Item Dimensions2.58 x 2.58 x 4.94 inches
Number of Items1
Total Servings Per Container60
FlavorUnflavored
Special IngredientsL-Arginine
Material FeaturesVegetarian
Material Type Freeen_AE
Specific Uses For ProductTake 2 capsules two times daily or as recommended by your health-care practitioner.
Allergen InformationSoy
ColorRed
Product BenefitAmino Acids Heart & Vessels Men's Health
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Thorne Research B0H89XNPYS

  • What makes Thorne supplements high quality?

    Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption.

  • How does Thorne test its supplements for quality?

    To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality.

  • Are Thorne supplements clinically tested and safe?

    Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature.

  • Why are Thorne products more expensive than other supplements?

    When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements — we set the standard.

  • Where are Thorne supplements made and where are the ingredients sourced from?

    Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness.

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