5 Best Mouthguard for MMA, Boxing, and Muay Thai

If you train in any kind of MMA, one of the most crucial pieces of protective equipment you will need is a mouthguard.

Without the proper fitting Mouthguard, things such as jaw injuries, missing teeth, and even head trauma can happen (use a high-quality headgear for extra safety.)

And mouthguards are exactly what they say on the tin, guarding our teeth and mouths against intentional and accidental trikes to the face.

Best MMA Mouthguard reviews

Even if you are partaking in just a light sparring session, it is always a good idea to play it safe.

It is surprisingly easy to lose or chip a tooth and even frustratingly harder to get it fixed. All it takes is for a single well-placed strike to a loose jaw and it is a trip to the dentist for you. 

So, if you are looking for a mouthguard, but cannot afford the custom-fitted guard from your dentist, then I have the solution just for you.

Here is my top pick for the best mouthguard for MMA, Boxing, Muay Thai, and other sports in 2021 and beyond!

Top 5 Best Mouthguard For MMA in 2021

Let’s get started with my #1 choice and the one I have been using for some time now –

1. Impact Custom Professional MMA Mouthguard – Best Overall

Impact Custom Professional MMA/Boxing/Muay Thai Mouthguard

Impact Custom Mouthguards has been a major player in the MMA game for several years now and their custom Mouthguards are known to be one of the very best mouthguards out there.

As a matter of fact, this mouthguard boasts a 4.6-star rating on Amazon alone. 

The plastic in this Professional MMA Mouthguard is guaranteed BPA-free and comes with a range of thickness from 5–7 mm depending on your needs.

Although you might think that this mouthguard is thick, the fit is extremely tight, preventing any breathing difficulties related to the boil and bite kind of Mouthguards.

Since it is a custom mouthguard, once you order the kit, Impact will send you what you will need in order to make a mold of your teeth.

Then you will send the mold back on their own expense and will send you your custom made mouthguard, all at a price tag that is much lower than having a trip to the dentist.


  • Kit includes 3 size trays so you are sure to have the best fit for you
  • Features 6 – 7 mm thickness for optimal protection with a minimalist feel
  • Best overall mouthguard for professionals and serious competitors
  • Speaking and breathing is super easy
  • Extremely durable


  • Taking the mold is awkward and tricky
  • Takes longer to get the product
  • Higher price

2. Venum Challenger Mouthguard – Runner-Up

Venum Challenger Mouthguard

With a 4.2-star rating on Amazon, the popular Venum brand with its “Challenger” is Amazon’s Choice for “MMA Mouthguard”.

And if you are not familiar with Venum, then you probably have not grappled long enough.

Venum has been producing reliable sports equipment that is specifically designed for MMA and BJJ, so it guarantees that the Challenger is going to be specifically tailored to your needs. 

This Mouthguard is outfitted with a high-density rubber frame which guarantees excellent protection in addition to its superior shock management.

Not only that, but this mouthguard also features a gel frame that allows you to stay comfortable throughout your training or fight and can even be customized as per your specific needs.

Also, the design of this mouthguard also allows you to breathe properly as you fight with its exclusive breathing channel.

To top it off, the product comes with its own protective casing, you can rest assured that you can easily prevent any problems regarding poor hygiene. Plus, it is super easy to wash off. 


  • Boil and bite
  • Nexfit Gel Frame
  • High-density rubber frame
  • Breathing channel at the center
  • Includes carry storage case


  • Rubber tends to be stiff
  • Can make speech difficult
  • Might not fit adults or those with wide jaws

3. NXT NXTRND Rush Mouthguard – Budget Pick

NXT NXTRND Rush Mouthguard

For a reliable mouthguard (mouthguards, in this case) that does not cost a fortune, try the Rush from NXT NXTRND.

At less than $20, NXT NEXTRND offer 2 pack of professional mouthguards suitable for all kinds of sports including MMA, Judo, Taekwondo, Muay Thai, Karate, BJJ, Boxing, Kickboxing, Wrestling and many more!

From division 1 players to the championship fighters, this mouthguard is specially designed for every professional.

Featuring a dual-density frame with high impact outer shell, the protection the Rush mouthguard offer goes well above the industry standards, protecting your jaw, teeth, and lips.

After you mold the mouthpieces, its whole shock-resistant body should be able to snap into place on your gums and teeth. And this snug fit ensures an unpaired comfort while the total ease of speech.

NXT NXTRND also understands that oxygen is essential to high performance, so this Mouthguard features an undercarriages channel system, boasting maximum airflow and helps in breathing.

It comes with a minimalistic protective case for both mouthguards. You will also like that the manufacturer offers an unlimited defective warranty that covers both mouthguards and the protective case.


  • Superior airflow and helps in breathing
  • Ensures a snug fit comfort that allows speech
  • Dual-density frames with high impact outer shell for better mouth protection
  • Unlimited defective warranty
  • Available in vibrant colors


  • Melts in hot water
  • Too small

4. Redline Sportswear Custom Mouthguard

Redline Sportswear Custom Mouthguard

Redline Sportswear offers a Mouthguard with a one-size-fits-all design making it convenient but also a concern for other people with a uniquely larger or smaller mouth.

However, its easy to use boil and bite design helps create the custom mouthguard for ultimate comfort and enough protection for your mouth. 

This mouthguard features a dual-layer, gel liner, providing the right protection for all MMA fighters.

And since your health also matters a lot, you will be glad to know that it is also made of 100 percent FDA approved materials. The mouthguard does not contain any traces of BPA, PVC, or latex materials.

The mouthguard is available in several stylish color combinations and also comes with its own protective carrying case.

You will also find a Carabineer with the carrying case so you can conveniently clip the mouthguard case to your gym bag or hanging in your locker.


  • Dual-layer technology to help absorb blows
  • Several color combinations
  • One-size-fits-all design
  • FDA-approved materials
  • Free carrying case with carabineer


  • Can be difficult to breathe with at first use

5. Shock Doctor Double Braces Mouthguard

Shock Doctor Double Braces Mouthguard

Shock Doctor is a reputable brand that has been producing some of the best custom mouthguards for MMA for years now. And this mouthguard features a gel fit liner which is super easy to fit, forming to your teeth and gums for superior protection. 

Called the Double Braces Mouthguard, this one is specifically developed for use with orthodontics and ergonomically designed to sit atop of your brackets and keeping your lower and upper teeth protected.

Not only that, but this Mouthguard is also outfitted with a durable and heavy-duty exoskeleton shock frame, offering you super protection and shock absorption against the hardest impacts. 

In terms of fitting, the mouthguard features an Instant Fit, Pop In and Play design, meaning that you can just wear it directly out of the packaging without any molding requires. It easily adapts to changes in your teeth position as your braces adjust. 

Highly durable and built to last for years, this Mouthguard is constructed from high-quality medical-grade silicone that is comfortable and protective without rough edges or materials that can cause irritation such as phthalate, BPA or latex. 


  • Specifically designed for those with orthodontics
  • Outfitted with heavy-duty exoskeleton shock frame
  • Instant fit design
  • Made of medical-grade silicone
  • Contains no latex, phthalate or BPA


  • Can be hard to breathe

Final Words

Based on my own experience, I’d recommend everyone reading this to wear a mouthguard when training MMA, Boxing, Muay Thai, BJJ or any other such sport.

It is a reliable piece of safety equipment that helps protect your pearly whites while enjoying a fight and preventing a trip to the dentist’s office. 

I highly recommend you to try the Impact Custom Professional Mouthguard. And although it has the highest price on the above list, Impact’s promise of reliability, superior protection and the best custom fit like no other is worth the wait and every penny spent.

However, if you are on a tight budget, then I highly recommend the Challenger from Venum which is just 1/6 of Impact’s price tag.

Also made from a reputable brand name, this mouthguard is specially designed for MMA sports, providing superior protection and shock management as well as the utmost comfort and speech while wearing.

Hopefully, I was able to help you find the best mouthguard for MMA. Please don’t forget to share this with your friends and MMA buddies!

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