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Item #01039 100 Capsules 2 per serving In stock Share Add to Wishlist

L-arginine is a semi-essential amino acid involved in numerous areas of human biochemistry, including ammonia detoxification, hormone secretion and immune modulation. Arginine is also well known as a precursor to nitric oxide (NO), a key component of endothelial-derived relaxing factor, an endogenous messenger molecule involved in a variety of endothelium-dependent physiological effects in the cardiovascular system.

L-ornithine is a metabolite of arginine in the body, formed as a by-product of the action of the arginase enzyme on arginine. L-arginine is required for the body to synthesise nitric oxide, which enables the arterial system to retain its youthful elasticity. Nitric oxide also helps to produce an endothelial-derived relaxing factor, which is needed by the arterial system to expand and contract with each heartbeat.

L-arginine may also help maintain the health of the immune system.

L-arginine is a key building block to maintaining healthy tissue and bone. L-ornithine may also be used for this purpose.

This product from NOW® Sports combines two essential amino acids into one optimal supplement that is ideal for active individuals.

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Supplement Facts

Serving Size 2 capsules

Servings Per Container 50

Amount per Serving

L-Arginine (Free-Form)

1 g

L-Ornithine (from L-Ornithine HCl)

500 mg

Other ingredients: gelatin (capsule) and magnesium stearate (vegetable source).

FREE OF: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish and preservatives.


This supplement should be avoided by individuals with glaucoma or herpes simplex, unless otherwise directed by a medical practitioner. If you have had a myocardial infarction or have established coronary artery disease, please, do not use this product.

Dosage and Use

  • As a dietary supplement, suggested daily intake is two (2) capsules twice or thrice, preferably with juice or water, on an empty stomach, before exercise or at bedtime.


  • Keep out of reach of children.
  • Do not exceed recommended dose.
  • Do not purchase if outer seal is broken or damaged.
  • If you are undergoing treatment for a medical condition or if you are pregnant or lactating, please consult your medical practitioner first.


This product was added to our catalogue on June 19, 2013.

Arginine/Ornithine, 500/250 100 capsulesis a supplement/vitamin for you if you are interested in

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€ 18.19

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