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Arginine & Ornithine - 100 vcaps

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Product details

Description

NOW Arginine & Ornithine combines free-form L-arginine with L-ornithine from L-ornithine HCl. A serving of 2 veg capsules gives 1,000 mg arginine and 500 mg ornithine, and the 100-capsule bottle holds 50 servings.

Form: veg capsule (hypromellose).

Key facts
  • 100 veg capsules, 50 servings of 2
  • 1,000 mg L-arginine and 500 mg L-ornithine per serving
  • Ornithine from 644 mg L-ornithine HCl
  • Hypromellose veg capsule; stearic acid is the only other added ingredient
  • Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients
Nutrition
Typical values Per 2 capsules
L-arginine (free form) 1,000 mg
L-ornithine (from 644 mg L-ornithine HCl) 500 mg

Values from the US label.

Ingredients and allergens

Ingredients: L-Arginine (free form), L-Ornithine HCl, Hypromellose (cellulose capsule) and Stearic Acid (vegetable source).

Allergens: None of the 14 major allergens are listed. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

How to use

Take 2 capsules a day as needed, preferably with juice or water on an empty stomach, before exercise or at bedtime.

FAQs

How much arginine and ornithine is in a serving?
1,000 mg L-arginine and 500 mg L-ornithine per 2 capsules.

When should I take it?
The label suggests 2 capsules with juice or water on an empty stomach, before exercise or at bedtime.

Who should not use it?
Anyone with a history of heart attack or established coronary artery disease.

How many servings are in the bottle?
50 servings of 2 capsules.

Warnings
  • For adults only. Do not use if you have a history of heart attack (myocardial infarction) or established coronary artery disease.
  • Consult a doctor before use if you are pregnant or breastfeeding, taking medication or have a medical condition (including herpes or glaucoma).
  • Do not exceed the recommended daily dose.
  • Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.
  • Keep out of reach of young children.
Details
  • Brand: NOW Foods
  • Product: Arginine & Ornithine 500 mg / 250 mg
  • Form: Veg capsule
  • Size: 100 veg capsules
  • Serving size: 2 veg capsules

Product details are taken from the NOW Foods website (nowfoods.com), checked November 2026. Always check the label on the pack you receive.

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