L-Arginine 700 mg - 100 caps

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L-Arginine 700 mg 100 caps

L-Arginine capsules from Douglas Labs contain 700 mg pure, crystalline L-arginine per capsule.

The amino acid L-arginine is a substrate for the biosynthesis of nitric oxide, a powerful cellular-signaling compound that helps blood vessels to relax. This amino acid is a potent promoter of cardiovascular and circulatory health. It promotes proper platelet aggregation, proliferation of vascular smooth muscle and limiting the production of damaging reactive oxygen species. Additionally, nitric oxide is known to cause blood vessel relaxation and enhance blood flow. In this way, it helps maintain normal blood pressure and endothelial health.


  • Promotes Healthy Blood Vessel Dilation*
  • Increases Blood Flow and Oxygen to Peripheral Tissues*
  • Supports Healthy Nitric Oxide Levels*

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Suggested Use

As a dietary supplement, adults take 1 to 6 capsules daily with meals or as recommended by a healthcare professional. It is recommended that this product be taken in conjunction with vitamins and minerals.

If you are pregnant or nursing, please consult your healthcare professional before using this product. Keep out of the reach of children.


Serving size: 1 capsule
Servings per container: 100

Ingredients Amount       %DV
Arginine (as L-arginine)                         700 mg †

Other Ingredients: cellulose, gelatin (capsule), water, magnesium stearate and silica.

† Daily Value not established

Made in the USA.