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L-Arginine - 500mg - 100 caps

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Product details

Description

NOW L-Arginine 500 mg gives 500 mg of free-form L-arginine in each capsule, or 1,000 mg in a 2-capsule serving. The 100-capsule bottle holds 50 servings.

Form: capsules (hypromellose); natural colour variation may occur.

Key facts
  • 100 capsules, 50 servings of 2 capsules
  • 1,000 mg free-form L-arginine per 2 capsules
  • Hypromellose (cellulose) capsule
  • Up to 4 capsules a day, taken between meals with water or juice
  • Made in a GMP facility, per NOW Foods
Nutrition
Typical values Per 2 capsules
L-Arginine (free-form) 1,000 mg

Values from the brand's US label. No daily reference value is set for L-arginine.

Ingredients and allergens

Ingredients: L-Arginine (free-form), Hypromellose (cellulose capsule), Stearic Acid (vegetable source), Silicon Dioxide.

Allergens: None declared. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients; made in a GMP facility that processes other ingredients containing these allergens.

How to use

Take 2 capsules twice a day as needed, between meals, with at least 240 ml (8 fl oz) of water or juice.

FAQs

How much L-arginine is in a serving?
1,000 mg in 2 capsules, or 500 mg in each capsule.

How long does the 100-capsule bottle last?
25 days at the full 4 capsules a day, or 50 days at 2 a day.

Is there a larger size?
Yes, the same capsule comes in a 250-capsule bottle. There is also a 1,000 mg tablet if you prefer fewer units.

Who should not take it?
It is for adults only and not for pregnant or breastfeeding women. The label also lists people who should avoid it or speak to a doctor first; see the warnings below.

Warnings
  • For adults only. Not for pregnant or breastfeeding women.
  • Consult a doctor before use if you take medication (especially blood pressure, anticoagulant or diabetes medication), have a medical condition (especially asthma or kidney disease) or are planning surgery.
  • Do not use if you have glaucoma or herpes simplex unless a doctor has advised it.
  • Do not use after a heart attack or if you have established coronary artery disease.
  • Store in a cool, dry place after opening.
  • 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: L-Arginine 500 mg
  • Form: Capsule
  • Size: 100 capsules
  • Serving size: 2 capsules

Product details are taken from the brand's label as listed by Vitacost (Vitacost, NOW Foods L-Arginine 500 mg 250 Veg Capsules), checked November 2026. Always check the label on the pack you receive.

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