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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 Sports Arginine & Citrulline combines two amino acids that support nitric oxide production, circulation, and performance. Ideal for athletes and fitness enthusiasts, each capsule contains 500 mg of L-Arginine and 250 mg of L-Citrulline to fuel workouts and recovery. Certified Non-GMO, Vegan, Kosher, and Halal, this formula is manufactured in a GMP-compliant facility for purity and quality.
Attribute | Details |
---|---|
Product Name | NOW Sports Arginine & Citrulline |
Product Type | Dietary Supplement |
Form | Veg Capsules |
Count | 120 Capsules |
Main Benefit | Supports Nitric Oxide Production |
Brand | NOW Foods |
Serving Size | 1 Veg Capsule |
---|---|
Servings Per Container | 120 |
L-Arginine (Free-Form) | 500 mg |
L-Citrulline (Free-Form) | 250 mg |
Daily Value | Not established |
Ingredient | Function |
---|---|
L-Arginine | Boosts nitric oxide, enhances blood flow and pump |
L-Citrulline | Extends arginine levels, supports endurance |
Hypromellose | Vegetarian capsule shell |
Stearic Acid (vegetable source) | Capsule lubricant and flow agent |
Silicon Dioxide | Prevents clumping and improves shelf life |
Dosage & Usage Instructions
Take 1 capsule twice daily, preferably on an empty stomach. For best results, take 30–60 minutes before workouts or first thing in the morning. Stay hydrated throughout the day. Avoid taking with protein-heavy meals to improve absorption. Daily use is safe, though some athletes may choose to cycle. Not recommended for pregnant or nursing women. Consult a healthcare professional if taking medication or managing health conditions.
Ingredient Breakdown + Synergy
L-Arginine increases nitric oxide levels to enhance blood flow and muscle pump.
L-Citrulline supports endurance by sustaining arginine levels in the bloodstream.
Hypromellose is a plant-based capsule shell.
Stearic Acid helps maintain consistency in capsule formation.
Silicon Dioxide prevents clumping and extends shelf life.
Synergy: Citrulline boosts and extends arginine effects, creating a longer window of enhanced blood flow and vascular performance—ideal for training and recovery.
FAQ
Q1. What is NOW Sports Arginine & Citrulline?
A dietary supplement that supports nitric oxide production, enhances blood flow, and boosts exercise performance.
Q2. Who can benefit from using this supplement?
Athletes, gym-goers, and active individuals seeking better endurance, circulation, and workout recovery.
Q3. How should I take NOW Sports Arginine & Citrulline?
Take 1 capsule twice daily on an empty stomach, preferably before exercise or in the morning.
Q4. Can I take this supplement every day?
Yes, daily use is safe. Some users prefer to cycle use after 6–8 weeks.
Q5. Is this product vegan and Non-GMO?
Yes, it is certified Vegan, Non-GMO, Kosher, and Halal.
Q6. Does it contain caffeine or any stimulants?
No, it is 100% stimulant-free and contains no caffeine or artificial ingredients.
Q7. Are there any side effects?
Most users tolerate it well. Some may experience mild stomach upset if taken without water.
Q8. Can I stack it with other supplements?
Yes, it works well with creatine, BCAAs, pre-workouts, and protein powders.
Q9. How long until I notice results?
You may notice improved endurance and vascularity within 1–2 weeks of consistent use.
Q10. Should I avoid anything while using this supplement?
Avoid taking it with heavy protein meals; take with plenty of water for best absorption.
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.
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