CircO2 Nitric Oxide Reviews – Does This Product Really Work?

4.3/ 5.0

CircO2 Nitric Oxide is a supplement that may help increase blood circulation to your muscles and the extremities of your body.


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Overview Of CircO2 Nitric Oxide

A lot of men struggle with erectile difficulties as they get older. The problem is that a lot of men don’t realize that the same physical factors that are contributing to erectile dysfunction could also be contributing to other physical problems.

A lack of blood flow to certain parts of your body will have a detrimental impact on many bodily functions. It could also put you at risk of developing more serious health problems. CircO2 Nitric Oxide is a product that is concerned with increasing circulation in the body.

We took a look at CircO2 Nitric Oxide Reviews by actual customers of this product because we wanted to get a clear picture of how it works. In the following article, you will read everything you need to know about CircO2 Nitric Oxide.

How Does CircO2 Nitric Oxide Work?

The name should be a dead giveaway as to how this product is at least intended to work. The main goal of this supplement is to increase nitric oxide levels in the blood. Increasing nitric oxide may make it so that the blood vessels uptake more oxygen and carry it to the muscles and other parts of the body.

It may have multiple physical effects. For one thing, more oxygen flowing to the muscle means faster muscle recovery after working out. It could also make it easier for you to develop lean muscle in the first place.

Secondly, CircO2 Nitric Oxide may work by carrying more blood to the penis. It might make it easier for you to achieve and maintain an erection when there is adequate sexual stimulus.

Who Is The Manufacturer Of CircO2 Nitric Oxide?

It is where things get a little tricky. The problem is that the product doesn’t have an official website. Instead, it is sold through several 3rd party retail sites. On these sites, we have different company names credited as the manufacturer of CircO2 Nitric Oxide.

One company is Neogenis, while another listing cites Nlogix Labs LLC. Neither of these companies appears to acknowledge CircO2 Nitric Oxide as one of their products.

CircO2 Nitric Oxide

CircO2 Nitric Oxide Review – Health Web Magazine Images

What Are The Ingredients In CircO2 Nitric Oxide?

When taking a cursory look at CircO2 Nitric Oxide, it just looks like a normal workout supplement. However, the formula has been refined specifically to increase nitric oxide levels in the blood. The active ingredients include:

Beet Root Powder – Beetroot juice[1] has been studied at length for its high concentration of nitrate, which is a byproduct of nitric oxide.
Hawthorn Berry – The leaf and flower extract of hawthorn berries appears to have a vasodilating effect on blood vessels.
L-Citrulline – L-citrulline[2] is an amino acid that may also increase blood flow, but few human studies have been conducted.
Sodium Nitrite – Sodium nitrite may also be able to increase nitric oxide levels in the blood, although more studies are needed.

The Science Behind CircO2 Nitric Oxide

CircO2 Nitric Oxide has a decent amount of good scientific data behind it. The main problem is that some of the ingredients have not been tested extensively or that the available studies are mostly animal studies.

Therefore, it is difficult to predict how some of the ingredients may interact with the body. The good news, however, is that all of the ingredients in this product appear to be safe. There is also a decent amount of evidence to suggest that CircO2 Nitric Oxide may improve circulation.

What Are The Benefits Of CircO2 Nitric Oxide?

  • This product may help with your workout efforts.
  • CircO2 Nitric Oxide may help with muscle recovery.
  • Mild cases of erectile dysfunction might be helped with this male support formula.
  • Most of the ingredients appear to be safe.

What Are The Drawbacks Of CircO2 Nitric Oxide?

  • There is no manufacturer return policy for this product.
  • Some of the ingredients lack extensive human testing.
  • It may not work to improve cognitive function.
  • Some users have complained that CircO2 Nitric Oxide causes stomach aches.
  • There are no free trial pills offered for CircO2 Nitric Oxide.

FAQs: Consumer Questions & Answers

In our research for this report, we found that consumers are frequently asking the following questions online in regard to CircO2 Nitric Oxide.

There are no significant safety complaints that have been made against this product.

The price for CircO2 Nitric Oxide is typical of supplements of this nature.

A single serving size for this product is one quick-dissolve lozenge.

There is no free trial mentioned and if you choose to buy CircO2 Nitric Oxide, you will be subject to the return policy of the retailer.

The formula is similar to other such nitric oxide-boosting products.

Some testimonials claimed that CircO2 Nitric Oxide causes stomach aches.

If you have ED problems, make sure to speak with a health professional before trying a male supplement.

What Are Consumers Saying About CircO2 Nitric Oxide?

A slight majority of people seem to like CircO2 Nitric Oxide. They say that it does help with circulation, but some CircO2 Nitric Oxide Reviews complain that it doesn’t work at all.

With countless male enhancement supplements available on the market today it seems impossible to find “the right one.” Sexual performance declines naturally as men age, which may contribute to feelings of inadequacy or embarrassment. Male enhancement supplements should be based on four key factors: active ingredients, ability to support sexual stamina, enhance arousal, improved* sexual desire, and backed by clinical studies.

Below you’ll find some of the most effective male enhancement supplements on the market today, in our opinion.

Rating Table Rating Table

Our Top Products

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Virectin Rating
  • Speed of Results
  • Enlargement Power
  • Testosterone Boosting
  • Long-Term Benefits
  • Ingredient Quality
  • Customer Satisfaction


  • Creates a hard, rigid erection on demand
  • Increases blood flow to the penis by 275% in less than 1 week
  • Results experienced by 98% of users in just 7 days
  • Enhances blood flow for a longer, thicker penis
  • Safely raises testosterone levels
  • Increases the libido and sexual desire
  • Gives men better sexual stamina and endurance
  • Improves the intensity of the orgasm
  • Drastically reduces recovery times
  • Boosts confidence in and out of the bedroom
  • Supports an overall increase in sexual satisfaction for both partners
  • Customers aren’t required to sign up for auto-shipment


  • Virectin cannot be purchased offline
  • Virectin stock is sometimes low due to consumer demand

The Bottom Line

While we reviewed numerous brands of male enhancement supplements during our research, Virectin stood out to us due to the fact that it delivered powerful results in under one week of use! With an almost 100% success rate, plus an ability to create a hard, long-lasting erection on demand, enhance sexual desire, and help men achieve intense orgasms night after night, it’s no surprise that this brand is a firm consumer favorite.

By safely and quickly increasing the volume of blood that flows to the penis upon arousal, men who use Virectin report that not only are their erections harder than ever - sometimes even better than when they were younger – but they also experience an increase in length and girth, giving their partners greater sexual satisfaction too.

One of the most impressive aspects of this clinically proven supplement is that the formula has a cumulative effect on the body, so the already-potent benefits become stronger with continued use. This means that the individual never has to worry about whether they’ll be able to perform or not – they can feel confident that in addition to having a rock-hard erection whenever they want one, they’ll also have an abundance of sexual stamina that will allow them to perform for hours on end, without the need for long periods of recovery. Naturally, this enhances the quality of the individual’s overall sexual activity and will often also improve their intimate relationships.

Virectin Erection Virectin Erection

The doctor-developed Virectin formula contains a comprehensive blend of active ingredients, which have all been scientifically proven to have multiple benefits for male sexual function. Each one has been specifically selected not only due to its individual properties, but its ability to work synergistically, thus improving the overall potency of the supplement.

Because the manufacturer of Virectin is so sure it will produce the results that they claim it will, they offer a full 60-day money-back guarantee to their customers, allowing them to experience it for themselves, completely risk free. However, after conducting our own extensive research, we have no doubt that anyone using Virectin will be 100% satisfied , in every way!

Legendz XL
#2 Legendz XL
  • Speed of Results
  • Enlargement Power
  • Testosterone Boosting
  • Long-Term Benefits
  • Ingredient Quality
  • Customer Satisfaction


  • Has a fast-acting formula
  • Comes with a 30-day money-back guarantee


  • Customer reviews are very mixed
  • It may not be suitable for men on certain medications
  • Not all claims are backed by clinical data
  • Individual amounts aren’t shown for all ingredients

The Bottom Line

As a male enhancement supplement, Legendz XL seems to have some potential benefits for men wanting to improve their sexual performance and certainly includes ingredients often found in these types of products. However, there are also several concerns with the brand that should be noted, including the fact that because the key active ingredients are contained in a proprietary blend, the amounts of each aren’t disclosed, so it’s impossible to know just how potent the supplement actually is overall. Another drawback of this brand is that there is very little evidence backing the claims of the manufacturer, meaning consumers would really have to take their word that it produces results in the short time stated.

#3 Potenca
  • Speed of Results
  • Enlargement Power
  • Testosterone Boosting
  • Long-Term Benefits
  • Ingredient Quality
  • Customer Satisfaction


  • Has a multi-action formula
  • There are some positive independent customer reviews


  • The manufacturer is not known
  • There is no official ingredient list available
  • No risk-free trial is offered
  • Some key ingredients may have potential side effects

The Bottom Line

Although the male enhancement supplement Potenca is said to have multiple benefits that include supporting better levels of testosterone and increasing sexual stamina, very little official information seems to be available for potential customers. While the supplement is sold on some online retail sites, there is no actual website for the brand and the name and location of the manufacturer are not known either. A bigger concern, however, is that although some of the independent customer reviews have been reasonably positive, there is absolutely no evidence to show that Potenca actually works, and there doesn’t appear to be any kind of free trial offered either as a way for men to assess it firsthand with no financial risk.

Dietary supplement recommendations can be found everywhere — in commercials, through social media influencers, and from your neighbors, friends, and family. With so many different opinions, it can be hard to know which supplement is right for you. While most quality supplements undoubtedly provide health benefits, each will work in its own unique way, so it's important to determine which one will help you reach your health goals. Below you will find our subjective assessment of CircO2 Nitric Oxide based on the information available to us and our estimation of its overall efficacy.

CircO2 Nitric Oxide
CircO2 Nitric Oxide
  • Speed of Results
  • Enlargement Power
  • Testosterone Boosting
  • Long-Term Benefits
  • Ingredient Quality
  • Customer Satisfaction

Overall Rating


Virectin - A Better Alternative?

Speed of Results
Enlargement Power
Testosterone Boosting
Long-Term Benefits
Ingredient Quality
Customer Satisfaction

Virectin is a potent male enhancement supplement containing ingredients that increase levels of testosterone by up to 93%!

The Virectin maximum strength formula works on multiple aspects of male sexual performance. Its powerful blend of clinically proven ingredients starts working quickly to help men achieve harder, longer-lasting erections while increasing their stamina, endurance, and sex drive.

You can find out more about Virectin by reading our full review below.

Read More About Virectin Nowarrow

Final Words

CircO2 Nitric Oxide may be able to help you if you are experiencing physical factors of erectile dysfunction. It could also help improve the blood circulation in your entire body.

Nevertheless, keep in mind that CircO2 Nitric Oxide Reviews mention stomach pains associated with it. There are also ingredients in the formula that have not been studied at length in humans.

So, if you notice uncomfortable symptoms, stop using this product quickly. Consider going to a doctor before using a new product to ensure that it’s suitable for you.

**The above is a subjective review. Our opinion of the product’s efficacy was based on independent research and information. *Results from using this product may vary. If you have a serious medical condition, a history of heart conditions, are pregnant or nursing, we recommend that you speak to your healthcare provider before using this, or any other health product and/ or supplement. The content provided on Health Web Magazine is only intended for your informational purposes and should not be regarded as a substitute for advice from a healthcare professional. It should not be used to diagnose, treat, cure, or prevent any health condition, and we will not be held responsible for any complications that may arise from you using it for any of those aforementioned reasons. All concerns regarding your personal health must be dealt with directly by your healthcare provider.

Disclosure of Material Connection : Products shown in the section titled ‘Our Top Products’ are those that we promote as the owner and/ or reseller and does not represent all products currently on the market or companies manufacturing such products. This information is disclosed in accordance with the Federal Trade Commission’s 16 CFR, Part 255 “Guides Concerning the Use of Endorsements and Testimonials”. We would like to make it clear that any and all links featured in this section are sales links; whenever a purchase is made via one of these links, we will receive compensation.
*Result may vary. If you have a serious medical condition, or have a history of heart conditions we suggest consulting with a physician before using any supplement. The information contained in this website is provided for general informational purpose only. It is not intended to diagnose, treat, cure or prevent any disease and should not be relied upon as a medical advice. Always consult your doctor before using any supplements.


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