About Rexburn

By HighYa Research Team
Published on: Jan 21, 2016

How’d you like to experience explosive workouts that can boost your muscle mass? Want to also “feel more desire and maximize your potential”?

Rexburn, a NO2 booster supplement, claims to do just this. How? By increasing blood flow all throughout your body, which will increase muscle size and enhance your performance. Rexburn will also improve hormone production, which will lead to harder erections and better workouts.

Anything else? Rexburn also acts as a powerful thermogenic that can increase your metabolic efficiency! How?

Simply by using Rexburn’s scientifically designed formula featuring proven, powerful ingredients that can help you gain 35% more muscle!

Are your alarms bells going off? Think Rexburn’s claims are too good to be true? Here, we’re going to take an even-handed look at whether or not you should bother with the supplement. First, we’ll start with the basics.

Your Rexburn Glossary

You probably came across a lot of science-y sounding words on the Rexburn website, so let’s break them down.

Supplements like Rexburn claim to increase levels of nitric oxide in your body, which can widen blood vessels and increase oxygen and essential nutrient distribution. In the case of Rexburn, this increased oxygen and nutrient flow benefits your muscles—specifically by helping them grow faster.

Another term you encountered several times on the Rexburn website is testosterone. As a man, you surely already know what this is, but maybe not necessarily what it’s responsible for.

Testosterone is a hormone that makes a man, well… a man. It aids in the development of male sex hormones, increases muscle mass, deepens your voice, puts hair on your chest, and much more. Now, you can’t take testosterone by itself (this would be steroids, and therefore illegal), so supplements like Rexburn claim to contain natural ingredients that boost testosterone in your body (we’ll come back to this in a moment).

Finally, we have the word thermogenic, which simply means a class of supplements that “increase heat through metabolic stimulation.” However, this doesn’t mean that you’ll lose weight or trim up in any other way.

Now, let’s find out if Rexburn’s ingredients will accomplish any of this.

How Effective Are Rexburn’s Ingredients?

The short answer? Since there’s no product label or list of ingredients on the Rexburn website, there’s no way to know.

The detailed answer? Even though we can’t be sure, the HighYa team has reviewed dozens of muscle growth supplements that make the exact same claims as Rexburn, including popular options like Elite Test 360, Lifeforce T-1000, and Bio Testosterone XR. What’s the point?

They generally include the same handful ingredients, such as l-arginine, fenugreek, tribulus terrestris, beta alanine, tongkat ali, and sometimes stimulants like bitter orange for energy. Unfortunately, while some of the nitric oxide-boosting ingredients might help improve symptoms of erectile dysfunction, they won’t boost your testosterone and almost certainly won’t provide the “revolutionary” benefits claimed by Rexburn’s manufacturer.

What’s the Link Between Rexburn & Crevalor?

While we were browsing through the Rexburn website, we couldn’t help notice that toward the bottom, there’s an image that references a different (but very similar) supplement named Crevalor. In fact, except for slightly different wording, Rexburn makes essentially identical claims as Crevalor—even that it can boost your muscle mass by 35%.

Are they the same supplement? While we can’t be 100% sure, based on our experience, it’s common for these companies to sell the same product under multiple names. So at the very least, we’d say it’s likely.

Are these two supplements also priced the same?

Rexburn’s Free Trial & Membership Program

Like hundreds of other nutritional supplements we’ve reviewed, Rexburn can only be purchased through a free trial. Pay $4.95 S&H and receive a full size bottle (60 capsules).

Why? It makes you think you’re getting a good deal. What actually happens is that this begins your 18-day trial, after which you’ll be billed a whopping $99.95. Probably a lot more than you were originally expecting!

You’ll also be enrolled in Rexburn’s membership program, which means you’ll keep getting a new bottle of the supplement once per month, and—you guessed it—your credit card will be charged $99.95 each time.

Want to return your bottle of Rexburn? It comes with a 30-day refund policy, less S&H charges, by calling 877-773-5152. But it only applies if the bottle’s unopened.

The Arbitration Trap

Everything from cell phones to nutritional supplements like Rexburn come with automatic arbitration agreements, which basically stipulate that, instead of going to court, you agree to waive these rights and enter into private mediation.

And not only will you be giving up a lot of your legal rights, but these arbitration proceedings generally favor the company. Just one more thing to think about before placing your Rexburn order.

Bottom Line: We’re Wary About Rexburn

Taking everything together, when it comes to Rexburn, we’re talking about an unknown supplement from a unknown company, which features an unknown ingredients formulation. Does this sound like something you’d be eager to put in your body?

On top of this, Rexburn is only sold through a free trial, which we consider to be a huge red flag and generally recommend avoiding, not to mention the fact that essentially identical supplements almost always come with ultra-low customer ratings here on HighYa.

In short, if you want to increase muscle mass or enhance your performance, we’d recommend speaking with a professional fitness trainer. And if you’re feeling the side effects of low testosterone or need a boost in the sack, your doctor is almost certainly a better resource than handing over your hard-earned money for Rexburn.

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Read 2 Rexburn Customer Reviews and Complaints

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Average Consumer Rating: 1.0
Rating Snapshot:
5 star: 0 4 star: 0 3 star: 0 2 star: 0 1 star:  2
Bottom Line: 0% would recommend it to a friend
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  • 4 out 4 people found this review helpful


    • Naples, FL,
    • Nov 29, 2016
    • Verified Reviewer

    After originally ordering a trial for $4.95, my Visa account was billed $89.95 monthly for three months. In addition, I was billed $89.90 monthly for three months for Maxgain. Each shipment included a packing slip that did not identify the company and billing amounts. I was led to believe that the shipments were part of the trial program.

    The terms and conditions were not clearly highlighted on the company's website. After seeing all of the monthly charges and arguing with customer service, the company agreed to refund the billed amounts for the last shipment of each product. The company refused to refund a total of $359.70 ($179.90 for Rexburn and $179.80 for Maxgain). I consider this to be to be a scam and major rip off.

    I found this company's business practices to be predatory and their customer service difficult to deal with. I strongly warn others to avoid dealing with this company.

    Bottom Line: No, I would not recommend this to a friend

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  • 3 out 3 people found this review helpful


    • San Franciso,
    • Nov 29, 2016
    • Verified Reviewer

    Thank you for warning us. Wish I'd read your site first. Thought I signed up for a trial; instead got huge monthly charges. Never any email notice that I had signed up or that anything was shipping. What a rip-off! Buyer beware.

    Bottom Line: No, I would not recommend this to a friend

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