SKU: 38983150302

SwissRX Nitric Oxide

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Description

SwissRX Nitric OxideBoost your endurance and oxygen capacity for a full 5 hours with this unique performance booster. The science behind Nitric Oxide being a major performance booster is clear. By boosting Nitric Oxide you dilate your arteries and can increase your blood flow to working muscles, resulting in increased endurance and easier recovery. That's why supplements like Sur Alt Red, BeetElite, and others have become so popular with endurance athletes. The problem

Boost your endurance and oxygen capacity for a full 5 hours with this unique performance booster.

The science behind Nitric Oxide being a major performance booster is clear. By boosting Nitric Oxide you dilate your arteries and can increase your blood flow to working muscles, resulting in increased endurance and easier recovery.  That's why supplements like Sur Alt Red, BeetElite, and others have become so popular with endurance athletes.

The problem is that most Nitric Oxide supplements use L. Arginine to do this. While this gives you a short spike in Nitric Acid 3 hours after ingestion, the effect fades very quickly.

SwissRX has figured out (through clinical trials) that if you use L. Citrulline, it will signal your body to create L. Arginine (versus supplementing it). This creates the same peak level of Nitric Oxide, but you get to maximum levels after only 2 hours and the level is maintained for a full 5 hours with no decline.

SwissRX has combined L. Citrulline with a patented form of Grape Seed Extract that has been shown to activate your body's production of Nitric Oxide (via eNOS) and help maintain arterial dilation. 

Bottom line: Swiss RX has the most effective Nitric Oxide booster we've found on the market. It will open your blood vessels and increase oxygen flow, allowing you to go faster and harder for longer.

How We Use It

We use 4 capsules 1 to 2 hours before training.

The Swiss RX Story

We set out to find a supplement company we could trust for the world's top endurance athletes. A company that had the same obsession with quality and performance as our athletes do. After all, why spend millions of dollars optimizing the performance of a Tour de France champion only to give him a low-quality supplement with inferior or ineffective ingredients?

Our quest led us to SwissRX. SwissRX takes a "spare-no-expense" approach to procuring the highest quality Pharmaceutical Grade Ingredients. Only 3% of supplement companies go through the rigorous testing required for pharmaceutical grade labeling. But Swiss RX takes it even another step further. Whenever possible, they use the exact same ingredients used in medical studies but are often too expensive for supplement companies to use.  What we love about SwissRX is that our athletes can rest assured they are getting the identical ingredients that were proven to be effective in these studies.

Simply stated, SwissRX products work better because they contain better ingredients.

The SwissRX Guarantee

We know SwissRX is expensive, but you get what you pay for- especially when it comes to supplements. Other brands may be cheaper, but so are the quality of their ingredients. If you're anything like me, you'd rather pay a premium and KNOW you're getting the highest quality and most effective product possible 

That said, you can try it RISK-Free.  We are 100% confident SwissRX is the best supplement in the world, which is why guarantee it. If for any reason at all you are not THRILLED with your results after using this product for three weeks, contact us within 60 days of your purchase and a no-hassle MONEY BACK refund in the form of Feed Credit. There also is no need to return the product to us, just send us a picture.


Disclaimer: These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any diseases. You should consult a licensed health care professional before starting any supplement, dietary, or exercise program, especially if you are pregnant or have any pre-existing injuries or medical conditions. See our FDA Disclaimer.

Shipping Notes
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Exchange/Return Notes
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SKU: 38983150302

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4.2 ★★★★★
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S.
Dallas, US
★★★★★ 4
Perfect EXCEPT for the Noise
Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm, Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm
My ideals for a watch are: full numerals, easy to read (good contrast and numbers, lines for the minutes and hours), light up function, case under 33mm, swappable bands, and preferably cute, in either silver color or rose gold color. This one checks all the boxes... And is the only one I've found which does. You can see on the picture that I replaced the band. Now here's the problem... The watch is LOUD! The analog watch I'm replacing is entirely quiet except when brought to the ear. This one... I hear it from feet away. My husband hears it from feet away too. I've tried two of the same model and they're equally loud. It gets distracting for me. Not at night, as the blankets mute it up, but during the day. Holding my phone typing this up, or during work, conversations... even when driving I hear it over the engine and traffic noise, because the driving position brings it closer to me, tick tick tick tick. It's impressive how that sound can carry. I've read on the internet a few people saying they improved the noise of their Timex watches by removing the hand that does the seconds. I love having it but I might just get desperate enough to try this little operation. This is the perfect watch for me except for that problem. So sad. (EDIT: I did end up trying to remove the seconds hand. It did quiet down the watch. Unfortunately, I also broke the watch in the process of putting it back together. I've decided to cut my losses and I'm now wearing a Fossil Carlie Mini (roughly $100, and available on Amazon, entirely quiet). Doesn't light up or have full numerals but what can you do. I wear a cheap digital that can light up at night and make do.)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
M
Verified Purchase
Mrsmama
Massapequa, US
★★★★★ 5
Love it
Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm, Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm
This is a great simple watch. It fits my wrist well and is very comfortable. I really like the champagne/pink band along with the rose gold face. I didn’t realize if you push the button on the side of the face that it lights up for easy reading in the dark. Nice detail! Feels like really good quality! I hope it lasts me a long time.
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Reviewed in the United States on March 17, 2026
O
Verified Purchase
orlando
Lowell, US
★★★★★ 5
Beautiful and reliable!
Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm
I just love it. It is beautiful, comfortable and I love the back light! I tried two or three smart watches that were reasonably priced and none of them worked well. I did not want to spend several hundred dollars for a watch. I finally decided on a good reliable watch and chose time mix. I’m really glad I did.
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Reviewed in the United States on April 6, 2026
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Pamela
San Leandro, US
★★★★★ 5
Nice watch!!
Size: 30mm, Color: Pink/Rose Gold-Tone/Cream/30mm
Works great! I've got a larger wrist and it fits me perfectly! I love the Indiglow feature! I can see what time it is in the middle of the night!!
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Reviewed in the United States on April 19, 2026
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 5
Very nice watch
Size: 30mm, Color: Black/Gold-Tone/Cream/30mm
Very nice Timex watch reasonably priced.
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Reviewed in the United States on May 8, 2026

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