What are the main benefits of NOW Supplements Double Strength 1000 mg L-Arginine?

It supports healthy blood flow, circulation, heart health, and workout performance by boosting nitric oxide levels.

How should I take NOW L-Arginine 1000 mg for best results?

Take 1 tablet once or twice daily on an empty stomach. Many users take it 30–60 minutes before workouts.

Does NOW L-Arginine help improve muscle pump and exercise performance?

Yes. It increases nitric oxide, which enhances muscle pump, stamina, and workout endurance.

Is NOW Double Strength L-Arginine vegan and allergen-friendly?

Yes. It is 100% vegan and made without dairy, gluten, soy, or artificial ingredients.

Are there any side effects or precautions with NOW L-Arginine 1000 mg?

Most people tolerate it well. Those with low blood pressure or heart conditions should consult a healthcare professional.

Q: What is NOW Supplements Double Strength 1000 mg L-Arginine and what does it do?

A: It is a high-potency dietary supplement containing 1,000 mg of pharmaceutical-grade L-Arginine per tablet. L-Arginine is a conditionally essential amino acid that helps the body produce nitric oxide — supporting healthy blood flow, protein production and overall circulation.

Now Supplements Double Strength 1000mg L Arginine Amino Acid Vegan

Details

NOW Double Strength 1000 mg L‑Arginine Tablets

NOW Double Strength 1000 mg L‑Arginine Tablets deliver a potent 1 g dose of pharmaceutical‑grade L‑Arginine per vegan tablet, designed to support nitric oxide production, vascular health, and muscle protein synthesis. NOW Double Strength 1000 mg L‑Arginine is non‑GMO, vegan, gluten‑free, and soy‑free, offering clean-label quality trusted since 1968.

Key Benefits of NOW Double Strength 1000 mg L‑Arginine Tablets:
Boosts nitric oxide to support healthy blood vessel dilation
Supports protein synthesis and muscle maintenance
Promotes healthy circulation and cardiovascular function
Vegan, non‑GMO, gluten‑free, soy‑free, and pharmaceutical‑grade
Free of major allergens and made in GMP‑certified facility

Product Information

Attribute	Details
Name	NOW Double Strength 1000 mg L‑Arginine Tablets
Form	Tablet
Count	120 Tablets

Supplement Facts

Serving Size	Amount per Serving
1 Tablet	L‑Arginine (from 1,250 mg L‑Arginine HCl) – 1 g (1,000 mg)

Ingredients

Ingredient	Function
L‑Arginine HCl	Main active amino acid for nitric oxide synthesis
Microcrystalline Cellulose	Tablet binder/filler
Hydroxypropyl Cellulose	Tablet binder/stabilizer
Stearic Acid (vegetable source)	Lubricant for tablet compression
Croscarmellose Sodium	Disintegrant for better absorption
Silicon Dioxide	Anti-caking agent
Vegetarian Coating	Tablet coating (hypromellose, calcium carbonate, glycerin)

Dosage & Usage Guidelines

Take one NOW Double Strength 1000 mg L‑Arginine tablet 1–3 times daily between meals or at bedtime with at least 8 oz of water or juice to support absorption. It may be taken with or without food. If pregnant, nursing, on medications (e.g., antihypertensives, anticoagulants, diabetes drugs), or preparing for surgery, consult your healthcare provider before use. Avoid if you have glaucoma, herpes simplex, coronary artery disease, or recent heart attack. Discontinue if adverse effects occur.

Ingredient Breakdown & Synergy

L‑Arginine HCl: Serves as the nitric oxide precursor, supporting vasodilation, improved circulation, and healthy blood pressure :contentReference[oaicite:1]{index=1}.
Microcrystalline & Hydroxypropyl Cellulose: These excipients ensure the tablet holds together properly and dissolves when consumed.
Stearic Acid: A natural vegetable-based lubricant that ensures consistent tablet press without additives.
Croscarmellose Sodium: Promotes quick tablet disintegration for better nutrient absorption.
Silicon Dioxide: Keeps the tablet ingredients free-flowing and prevents clumping.
Vegetarian Coating: Provides a clean, vegan-friendly outer layer for better swallowability.
Synergy: The high-dose L‑Arginine is delivered efficiently thanks to stabilizing and disintegrating agents, ensuring optimal nitric oxide support and overall cardiovascular benefits.

FAQs

Q1: What does NOW Double Strength 1000 mg L‑Arginine help with?

A: NOW Double Strength 1000 mg L‑Arginine supports nitric oxide production, helping promote healthy circulation, blood pressure, and cardiovascular health.

Q2: How many tablets a day should I take?

A: Typically, adults take 1 tablet 1–3 times daily between meals, but follow the label or consult a healthcare provider.

Q3: Is NOW L‑Arginine vegan and allergen-free?

A: Yes! NOW Double Strength 1000 mg L‑Arginine is vegan, non-GMO, gluten‑free, soy‑free, and free of major allergens.

Q4: Can I take it on an empty stomach?

A: Yes, NOW Double Strength 1000 mg L‑Arginine is best absorbed between meals or at bedtime, with water or juice.

Q5: Will L‑Arginine lower my blood pressure?

A: It may help support normal blood pressure by improving vasodilation, thanks to its role in nitric oxide production :contentReference[oaicite:2]{index=2}.

Q6: Can I use it before working out?

A: Some users take NOW Double Strength 1000 mg L‑Arginine before workouts for enhanced blood flow and energy support.

Q7: Are there any drug interactions?

A: Yes, L‑Arginine can interact with blood pressure, heart, or erectile dysfunction medications—consult your doctor before use.

Q8: Can pregnant or nursing moms take it?

A: No—NOW Double Strength 1000 mg L‑Arginine is not recommended for pregnant or nursing women without medical supervision.

Q9: How long will a bottle last?

A: The 120-tablet bottle lasts 40 to 120 days, depending on usage.

Q10: Are there any side effects?

A: Some users report mild gastrointestinal upset or headache; stop use and talk to a healthcare provider if it worsens.