NOW Sports L-Arginine 1000 mg Double Strength – Nitric Oxide & Muscle Support, 60 Tablets

NOW Sports L-Arginine 1000 mg Double Strength is a high-potency amino acid tablet supporting nitric oxide production, protein metabolism, and muscle maintenance. Each tablet supplies 1,000 mg of pharmaceutical-grade L-Arginine, twice NOW's regular-strength 500 mg capsule.

Key Benefits

• Provides 1,000 mg of pharmaceutical-grade L-Arginine per tablet.
• Supports normal nitric oxide production and healthy blood vessel function.
• Helps support normal protein metabolism and circulation.
• Supports muscle maintenance as part of an active lifestyle.
• Double strength means fewer tablets than the 500 mg version.

Product Details

• Brand: NOW Sports; Form: vegetarian tablets; Count: 60 tablets (60 servings).
• Main ingredient: L-Arginine (from L-Arginine HCl), 1,000 mg per tablet.
• Other ingredients: microcrystalline cellulose, hydroxypropyl cellulose, stearic acid (vegetable source), croscarmellose sodium, silicon dioxide, and a vegetarian coating.
• Dietary features: Non-GMO, vegan/vegetarian, kosher, halal, soy, dairy, egg, and nut free; Informed Sport certified, steroid tested.
• Made in: the United States.

Suggested Use

Take 1 tablet twice daily, between meals or at bedtime, with 8 oz. of water or juice. Adults only; not for pregnant or nursing women. Consult a healthcare professional if taking medication, managing a medical condition, or planning surgery. Keep out of reach of children.

Looking for a lower-strength option? See NOW L-Arginine 500 mg, 100 Veg Capsules, or browse the full range at AmazonVita. Add NOW Sports L-Arginine 1000 mg Double Strength to your cart today.

Frequently Asked Questions

How much L-Arginine is in each tablet? Each tablet provides 1,000 mg of L-Arginine from L-Arginine HCl.

How is this different from the 500 mg version? One tablet delivers twice the L-Arginine of the regular 500 mg capsule.

How do I take it? Take 1 tablet twice daily as needed, between meals or at bedtime, with at least 8 oz. of water or juice.

How many servings are in the bottle? The bottle holds 60 tablets, or 60 servings.

Is it suitable for vegans? Yes, it is a vegetarian tablet, listed as vegan/vegetarian, non-GMO, kosher, and halal.

What does L-Arginine do? A conditionally essential amino acid involved in protein production, urea metabolism, and nitric oxide synthesis.

Is it tested for athletes? Yes, it is Informed Sport certified and steroid tested.

Who is it for? Adults, athletes, and fitness-focused users seeking nitric oxide and muscle maintenance support.

Can pregnant or nursing women take it? No, not for pregnant or nursing women.

Should I check with a doctor first? Yes, if you take medication, manage a medical condition, or plan surgery.

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.