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Improve your muscle maintenance and protein metabolism with NOW's L-Arginine double strength tablets.

NOW L-Arginine 1000 mg Double Strength Tablets are formulated with the conditionally essential amino acid arginine, involved in protein production and DNA synthesis. It is also an important precursor of nitric oxide (NO), which supports the dilation of blood vessels.

Key benefits:

  • Supports protein metabolism and DNA synthesis*
  • Precursor of nitric oxide, promoting blood flow and nutrient delivery to muscles*
  • Helps maintain muscle mass*
  • Double strength formula provides 1000 mg of arginine per tablet

In-depth description: Arginine is an amino acid involved in the production of nitric oxide (NO), a molecule that promotes the relaxation of blood vessels, improving blood flow and nutrient delivery to muscles.* Arginine is also involved in urea metabolism and excretion, DNA synthesis and protein production.* NOW L-Arginine 1000 mg Double Strength Tablets provide twice the amount of arginine per tablet compared to our regular strength product (500 mg per capsule). The L-Arginine used in this product is pharmaceutical grade, ensuring purity and quality.

FAQ:

Q: What is arginine?

A: Arginine is a conditionally essential amino acid involved in protein production, DNA synthesis, and nitric oxide production.

Q: What are the benefits of arginine?

A: Arginine is involved in muscle maintenance, protein metabolism, and promoting the dilation of blood vessels, improving blood flow and nutrient delivery to muscles.

Q: What is the dosage of L-Arginine Double Strength Tablets?

A: The recommended dosage is one tablet taken 1 to 3 times daily, preferably with food. Do not exceed the recommended dose.

Directions:

Take 1 tablet twice daily as needed. Take between meals or at bedtime with at least 8 oz. of water or juice to facilitate absorption. recommended dose.


What happens if my tracking shows delivered, but I haven’t received my package? 
  • While we work with reliable carriers, occasionally, there are glitches on the carrier’s end. We recommend using your tracking information to check with your postal carrier for packages marked as ‘delivered’ that did not show up. If you are still have not been able to receive your package, please fill out the form on our page.

Only part of my order was delivered. What should I do? 

  • In an effort to get your purchase to you quickly, occasionally your order will be split into more than one shipment. Your shipping confirmation email with your tracking number should reflect what was shipped. You will receive a second email with new tracking for the rest of your order when it ships. If your order confirmation includes your whole order, but only some items arrive, please reach out to us by filling out the from on our Contact Us page. 

How do I track my order? 

  • An order confirmation and tracking number will be sent to the email provided at checkout. If no email was provided at checkout, an order confirmation and tracking number cannot be sent. 

When will my item be back in stock? 

  • The best way to stay informed is to sign up to our email and sms updates to receive notifications of items that come back in stock.

My product made me sick, can I return it? 

  • You may exchange the product for another product of equal or lesser value. For all exchanges, please use the contact from on our Contact Us page.

What are your hours of operation? 

  • Monday - Thursday 9:00AM to 8:00PM
  • Friday & Saturday  9:00AM to 8:00PM
  • Sunday 10:00AM to 6:00PM

Do you offer in-store pick-up?

  • No, we currently do not offer in store pick up at this time.

Do you deliver? 

  • Yes, we offer FREE shipping on every order over $75! 

Do you ship outside the US?

  • No, we do not at this time. 

When does my order ship? 

  • All orders have a 1-3 business day processing time from the date of your order confirmation and then will ship to you. 

How long will it take to get my order? 

  • Due to a lack of USPS staff, we are experiencing an increased delay in delivery times. But once your order ships, estimated time is 3-8 business days.

Do you ship to PO boxes or APO addresses?   

  • Yes & yes.

Can I change my shipping address? 

  • Yes, before we create the shipping label and you get a tracking confirmation, otherwise it will get sent to the original address. If the address provided was incomplete, it will be returned to the sender and we can reship to the correct address.

Why did my order get refunded? 

  • Some orders may be automatically refunded due to being out of stock.

Any other questions? 

  • Please reach out to us by filling out the form on our Contact Us page with any questions. Or Live Chat us on the bottom right corner from 9:00am - 7:00 pm MST.

What is Carbon Neutral Shipping?>

  • Route is covering the cost to neutralize shipping emissions when you add "Green Package Protection" at checkout. "Green Package Protection" Shipping includes package protection at the same cost as before, with the additional benefit that your shipment is carbon neutral. By adding Green Package Protection to your cart, you're automatically taking instant climate action – no donation required.

How does Green Package Protection/Carbon Neutral Shipping work?

  • Route has partnered with Patch, a carbon credit marketplace, to facilitate the purchase of carbon credits to neutralize your emissions. Carbon credits represent a certified unit of carbon removal or avoidance delivered by environmental projects that can be purchased to naturally remove carbon from the air. Patch is a high-integrity carbon removal project that is vetted and certified by organizations like Gold Standard, Verra, Climate Action Reserve, and The American Carbon Registry..

Where is My Order?

  • Once your order has been fulfilled by our team, a shipping confirmation with a tracking number will be emailed. You can download  Route’s mobile app for iOS or Android to visually track your package and receive real-time notifications on its estimated delivery.

How Does Route Work?

  • If your Route-protected order ends up lost, damaged, or stolen, Route’s expert support team helps ensure that your order gets replaced or refunded as preferred. Claims will be reviewed for approval within 1-2 business days from filing.   Need to file a claim?  File here

How Does Route Process Refunds or Reorders?

  • Refunds: When refunding an item, Route covers the subtotal, shipping, and taxes  In both cases, the Route Premium cost will not be refunded  Reorders: Route will reorder the items, depending on in-stock availability. Unavailable items will be refunded. Route will cover the cost of any reorders including shipping, taxes, and Route Shipping Protection

Any other questions? 

  • Please reach out to us by filling out the form on our Contact Us page with any questions. Or Live Chat us on the bottom right corner from 9:00am - 7:00 pm MST.

When Should I File a Claim?

  • Marked As Delivered (Stolen) * Claims will be reviewed no earlier than 5 calendar days and no later than 15 calendar days from when it was marked delivered  * Please note, some order issues may require a police report to be filed Stuck In Transit (Lost) * For domestic orders, claims will be reviewed no earlier than 2 calendar days and no later than 30 calendar days from the last update. The maximum filing time is 60 days from the order date * For international orders, claims will be reviewed no earlier than 20 calendar days and no later than 30 calendar days from the last update. The maximum filing time is 60 days from the order date Damaged * Claims for damaged items require photos of the packaging and item(s) and must be filed no later than 15 calendar days from when it was marked delivered. All of Route’s policies are listed here

What if My Order Never Arrives or is Stolen?

  • Route definitely helps cover these instances! To protect your order against loss or theft, add Green Package Protection at checkout.  If your order has not arrived, please file a claim with Route here. 

What if My Order Arrives Damaged?

  • Route covers damage as well! To protect your order against damage that occurred during shipping, add Route Protect at checkout.  If your order has arrived to you damaged, please take photos of the item and the packaging it arrived in to include in your claim when filing.  You can file a claim with Route here. If your order has defects or you suspect it was damaged during manufacturing, please reach out to us at (YOUR BRAND'S CONTACT INFO ) and we will be happy to work with you to remedy the situation.

How Do I File a Claim for my Lost, Damaged, or Stolen Order?

  • If you insured your order with Route at checkout, you will receive a confirmation email from Route with a link to file a shipping issue.  You can also file a shipping issue on Route’s app or via the web here. To file a claim, you will need your store order number OR Route ID number and the email address that was attached to the order. Haven’t downloaded the app yet?  Download here

What are Route’s Terms and Conditions? 

  • Route’s terms and conditions are listed here: https://route.com/terms-and-conditions/

Is Route a Licensed Insurance Company?

  • Yes, Route is a licensed insurance company with SEG Insurance Ltd. as its partner.

Returns

If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund or store credit on the following conditions:

  • All returns must be postmarked within thirty (30) days of the purchase date. 
  • Shipping costs are NOT included in return or exchanged products. 
  • All opened and used products that are returned within 7 days from the day they were delivered, will get a full refund in store credit. 
  • Items that are new with original tags and labels and in unused condition will receive a full refund. 
  • *To return an item, please email customer service at info@supplementxpress.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging and include your proof of purchase, and mail your return to the following address:

Supplement Xpress
Attn: Returns
RMA #
5360 N Mesa St 15
El Paso, Texas 79922

Refunds

  • After receiving your return and inspecting the condition of your item, we will process your return. Please allow at least seven (7) days from the receipt of your item to process your return. Refunds may take 7 to 10 business days to appear on your credit card/bank statement statement, depending on your credit card/bank statement. We will notify you by email when your return has been processed.

Shipping 

  • Due to a lack of USPS staff, we are experiencing an increased delay in delivery times.
  • Orders under $99 will be charged a flat fee of $7.99 for shipping.
  • All orders over $99 will include FREE shipping.
  • An order confirmation and tracking number will be sent to the email provided at checkout. If no email was provided at checkout, an order confirmation and tracking number CANNOT be sent. 

For any more questions or concerns please visit our FAQ Page or email us at info@supplementxpress.com

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