Free shipping on All Orders. No Minimum Purchase
Couldn't load pickup availability
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
NOW Supplements Double Strength L-Arginine 1000 mg tablets provide powerful support for healthy blood flow, cardiovascular function, and muscle performance. L-Arginine is a conditionally essential amino acid that serves as a direct precursor to nitric oxide—a molecule essential for vasodilation and circulation. Ideal for athletes, active adults, and anyone seeking vascular support, this vegan and non-GMO supplement is manufactured under strict GMP quality standards and contains no artificial ingredients.
Key Benefits
Attribute | Details |
---|---|
Product Name | NOW Supplements L-Arginine 1000mg (Double Strength) |
Form | Tablets |
Count | 120 Tablets |
Target Use | Blood Flow, Muscle Performance, Cardiovascular Support |
Vegan-Friendly | Yes |
Ingredient | Function |
---|---|
L-Arginine | Amino acid that supports nitric oxide production |
Cellulose | Tablet binder |
Magnesium Stearate (Vegetable Source) | Flow agent and tablet consistency |
Silica | Prevents clumping |
Vegetarian Coating | Protective outer layer |
Dosage & Usage Instructions
Ingredient Breakdown + Synergy
Synergy: L-Arginine is delivered in a clean, vegan-friendly base that enhances absorption and ensures purity. Combined excipients improve manufacturing quality and product stability.
FAQ
Q1: What is NOW Supplements L-Arginine 1000 mg used for?
A1: It supports nitric oxide production, promoting healthy blood flow and vascular function.
Q2: Can vegans take NOW L-Arginine tablets?
A2: Yes, these tablets are 100% vegan and made with vegetarian-friendly excipients.
Q3: Is NOW L-Arginine safe to take before workouts?
A3: Yes, many athletes use it pre-workout to enhance circulation and pump during training.
Q4: How many L-Arginine tablets should I take daily?
A4: The typical dosage is 1 tablet 1–3 times daily between meals or before exercise.
Q5: Does NOW L-Arginine contain gluten or GMOs?
A5: No, it is certified gluten-free and Non-GMO.
Q6: Will L-Arginine improve endurance or energy?
A6: By enhancing blood flow, it may support oxygen delivery and physical performance.
Q7: Can I take this if I have high blood pressure?
A7: L-Arginine may affect blood vessel dilation. Always consult your doctor first.
Q8: Are there any side effects from using L-Arginine?
A8: Some may experience mild stomach upset. Avoid if you have herpes or glaucoma.
Q9: Can I stack this with other amino acids or pre-workouts?
A9: Yes, it stacks well with citrulline, creatine, or caffeine-based pre-workouts.
Q10: Is NOW L-Arginine GMP certified?
A10: Yes, it is produced in a GMP-certified facility for purity and quality assurance.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Thanks for subscribing!
This email has been registered!
Choose options
Product | SKU | Description | Collection | Availability | Product type | Other details |
---|