AjiPure L-Arginine with L-Citrulline - Pharmaceutical Grade

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Introducing the ultimate in pharmaceutical quality supplementation for circulatory and cardiovascular health. Swanson Ultra AjiPure L-Arginine with L-Citrulline combines pharmaceutical-grade L-arginine from Ajinomoto with L-citrulline. While L-arginine serves as a precursor to nitric oxide, L-citrulline serves as a precursor to L-arginine, extending its benefits. Together, these two ingredients from the world leaders in supplemental aminos deliver top-tier dietary support for healthy circulation and cardiovascular care.


Supplement Facts

Serving Size 2 Vegan Capsules

Servings Per Container 30

Amount Per Serving % Daily Value
AjiPure® Pharmaceutical Grade L-Arginine 540 mg *
L-Citrulline 180 mg *

*Daily Value not established.

Other Ingredients: Vegan capsule (hypromellose), microcrystalline cellulose (plant fiber), magnesium stearate, silica.

Suggested Use: As a dietary supplement, take two vegan capsules two times per day with water on an empty stomach.

Warning: For adults only. Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition.

Storage Instructions: Keep out of reach of children. Do not use if seal is broken. Store in a cool, dry place.

Trademark Information: AjiPure® and the AjiPure® logo are registered trademarks of Ajinomoto Co., Inc.




  1. How does L-arginine support nitric oxide production?
    L-arginine is an amino acid the body uses to produce nitric oxide through a natural enzymatic process. By serving as the direct precursor to nitric oxide, L-arginine helps support healthy circulation, blood flow, and exercise performance.
  2. What is nitric oxide, and why is it important?
    Nitric oxide is a molecule naturally produced by the body that helps blood vessels relax and widen, supporting healthy circulation. It also helps deliver oxygen and nutrients to working muscles and other tissues, making it important for cardiovascular health and physical performance.
  3. Why are L-arginine and L-citrulline often combined?
    L-arginine and L-citrulline support the same nitric oxide pathway through complementary mechanisms. L-arginine is the body's direct precursor to nitric oxide, while L-citrulline is converted into L-arginine after absorption, helping replenish the body's arginine supply. Together, they provide complementary support for nitric oxide production, healthy circulation, and exercise performance.
  4. What does "pharmaceutical grade" mean?
    For Swanson L-Arginine & L-Citrulline, "pharmaceutical grade" refers to the exceptionally high purity and quality standards used to manufacture the AjiPure® L-arginine ingredient. Produced through a plant-based fermentation process, AjiPure is manufactured under strict quality controls to deliver a highly purified amino acid with consistent quality from batch to batch. The term describes the ingredient's manufacturing standards and does not mean the product is a pharmaceutical drug.
  5. Is Swanson L-Arginine & L-Citrulline suitable for special diets?
    Yes. Swanson L-Arginine & L-Citrulline is suitable for vegan and vegetarian lifestyles, is made with non-GMO ingredients, and is formulated without gluten or dairy, making it a great choice for a variety of dietary preferences.


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