




We offer free standard shipping to every province and territory in United Kingdom.
We offer free standard shipping to every province and territory in United Kingdom. No minimum purchase is required, and all orders include tracking for your convenience.
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.
Deliveries to United Kingdom’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
NOW Sports Arginine & Citrulline 500 mg / 250 mg in 120 veggie capsules pairs two amino acids that support how your body uses protein and helps maintain muscle tissue through daily activity and training. The blend sits at the intersection of natural metabolism and practical athletic use, offering a flexible option for those who want a straightforward supplement to add to their routine. Note that natural color variation may occur in this product.
Arginine and citrulline are amino acids that participate in essential pathways related to protein metabolism and tissue maintenance. Together they can contribute to the body’s internal amino acid network and serve as precursors in pathways associated with energy and recovery during and after activity. This formulation is designed with real‑world use in mind, prioritizing a simple addition to a training or workout schedule.
NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics. This item carries GMP quality assurance with an NPA A‑rated certification, reflecting careful oversight of formulation, testing for stability and potency, and manufacturing practices. The product is packaged in the USA by a family‑owned and operated company since 1968.
Natural color variation may occur in this product, and consumer experience can vary. This formulation is designed as a practical addition to an overall fitness routine, not as a stand‑alone solution. Always consider your personal dietary needs and consult with a healthcare professional if you have concerns about supplements in your regimen.
Whether you’re building routine around training days, managing a busy schedule, or seeking straightforward nutritional support for daily activity, this NOW product offers a compact amino acid option. It pairs well with everyday meals and hydration habits to support your broader wellness goals.
Q: What does NOW Sports Arginine & Citrulline help with?
A: The blend supports protein metabolism and muscle maintenance and may act as a nitric oxide precursor during workouts.
Q: How should I take NOW Sports Arginine & Citrulline capsules?
A: Take one capsule up to twice daily, preferably before workouts, and follow the label directions.
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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