SKU: 88476976290

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.

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SKU: 88476976290

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Ragdollyanna
Belleville, US
★★★★★ 5
Super impressed by this!
Love this sunscreen and will be reordering it. It’s sheer, light, invisible, gives me the protection I need for my middle aged skin and I can swear my complexion has gotten better since I started using it. I’m super impressed how it’s comparable to more expensive brands in quality without the high price tag. It’s made me start looking into other skin products I can purchase from the Amazon brand.
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Reviewed in the United States on February 3, 2026
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jmatthie
Fort Morgan, US
★★★★★ 5
How is this SO good?
I'm a sunscreen enthusiast. I wear sunscreen every day, and I know how hard it is to find one that is actually pleasant to use. It goes on like a white paste but it quickly blends in to the skin and becomes invisible. There is NO white cast after you rub it in. The initial white color makes it really easy to see where you have applied it. The lotion is very moisturizing but it's also fairly lightweight feeling, and isn't greasy. My skin is usually on the dry side. The smell is nice and neutral, some people might say that it has a bit of a "sunscreen" smell. But the smell is pretty faint and it doesn't linger. I find it to be pleasant, personally. Additionally, I have used this in the water and I find it to offer excellent water resistance even though it doesn't form a heavy-feeling layer on the skin. This is particularly impressive to me. This sunscreen will definitely be a go-to for beach days. It's great for face and body! The one caveat is that it tastes terrible if you get it in your mouth. So I definitely do not recommend eating it, lol. You might have this issue if you're particularly sweaty and the sweat drips down your face. In my experience many sunscreens do this, so I don't consider it to be a big deal. I'd recommend this for anyone looking for cost-effective and lightweight sun protection. It's great on face and body.
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Reviewed in the United States on July 19, 2021
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Armando
Birmingham, US
★★★★★ 5
Good product
It’s very comparable to the Neutrogena version. Its light on my face, does not leave a white cast, and doesn’t break me out. The price point is excellent compared to the name brand one. I go walking almost everyday and live in a sunny and hot area where the climate is hot all year round. I haven’t gotten burnt since wearing this sunscreen. Definitely recommend *UPDATE* This sunscreen gave me acne. I rarely breakout and I now have five pimples on my face. I do not recommend!!!
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Reviewed in the United States on November 14, 2024
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mamacholina
Pawtucket, US
★★★★★ 3
Burns My Eyes
If your eyes have a sensitivity to sunscreen, they may have a sensitivity to this one. This product made my eyes burn for two days, with multiple washings. I have had problems with La Roche Posay sunscreen — if that is a helpful association. It has dimethicone —a silicone— in it (which might be the irritant). Its common in beauty products but some people avoid it for various reasons. If you have no sensitivities and don’t mind the silicone, then it could be an acceptable option for the value. It went on smooth and light, left no cast, and had a very mild scent. I will use it on my limbs, but I can’t use this on my face.
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Reviewed in the United States on September 15, 2023
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CHERYL
Phoenix, US
★★★★★ 5
WORKS! LIGHT! EASY TO APPLY AND USE!
Took and trip and knew I would be out in the sun. I know this is for the face, but I used on my arms, legs and face. It is light and easy to apply. Not sticky and heavy as some sunblocks can be. I am very pleased with this purchase/find, as it works well and was a fabulous price for this tube.
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Reviewed in the United States on July 15, 2025

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