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NOW Supplements

NOW L-Arginine 500 mg – Nitric Oxide Support Amino Acid, 100 Veg Capsules

NOW L-Arginine 500 mg – Nitric Oxide Support Amino Acid, 100 Veg Capsules

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NOW L-Arginine 500 mg is a free-form amino acid supporting normal nitric oxide production and amino acid nutrition. Each vegetarian capsule supplies 500 mg of L-arginine (1,000 mg per two-capsule serving).

Key Benefits

  • Supports normal nitric oxide production via L-arginine.
  • Helps maintain normal blood vessel function via nitric oxide formation.
  • Supports normal protein production and DNA synthesis.
  • Supports normal urea metabolism.
  • Plant-based capsule suits vegan and vegetarian routines.

Product Details

  • Brand: NOW Foods vegetarian capsules; 100 capsules (50 servings); 500 mg per capsule.
  • Daily Value not established for L-arginine.
  • Other ingredients: hypromellose (cellulose capsule), stearic acid (vegetable source), and silicon dioxide.
  • Dietary features: vegan/vegetarian, non-GMO, kosher, halal, dairy, egg, and soy free, made without gluten.
  • Allergen note: not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, or tree nut ingredients; GMP facility processes other allergens.

Suggested Use

Take 2 capsules twice daily, between meals or at bedtime, with 8 oz. of water or juice. Adults only; not for pregnant or nursing women. Consult a physician if taking medication, especially antihypertensives, anticoagulants, or antidiabetic drugs; with asthma or renal disease; before surgery. Avoid with glaucoma or herpes simplex unless prescribed otherwise. Do not use after myocardial infarction or with established coronary artery disease. Keep out of reach of children.

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Frequently Asked Questions

How much L-arginine is in each capsule? Each capsule provides 500 mg, and the two-capsule serving provides 1,000 mg.

How do I take it? Take 2 capsules twice daily, between meals or at bedtime, with 8 oz. of water or juice.

How many servings are in the bottle? 100 capsules, or 50 two-capsule servings.

Is it vegan? Yes: plant-based capsule; vegan/vegetarian, non-GMO, kosher, halal.

What does L-arginine do? A conditionally essential amino acid for protein production, DNA synthesis, urea metabolism, and nitric oxide formation.

Are there other active ingredients? No: single active ingredient, plus capsule and processing ingredients.

Can pregnant or nursing women take it? No, the label states it is not for pregnant or nursing women.

Should I check with a doctor first? Yes, especially with antihypertensives, anticoagulants, antidiabetic drugs, asthma, or renal disease.

Who should avoid it? People with glaucoma or herpes simplex (unless prescribed otherwise), post-myocardial infarction, or established coronary artery disease.

How should I store it? Cool, dry place after opening; natural color variation may occur.

This product is a non-prescription wellness product. It has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before use.

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