RS1 (Reviv Sports) Mouthguard

40 USD

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Size	Length	Width	Height	Best for
Medium	5.5 cm	5.6 cm	0.7 cm	All adult-sized mouths.

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Does RS1 require molding?

No molding required. RS1 is ready to use straight out of the box — just fit it in and train.

What sports is RS1 designed for?

RS1 is designed for casual sports and exercise like yoga, jogging, going to the gym, etc.

Shipping Information

Orders typically ship within 24-36 hours and you will receive a tracking number by email as soon as it ships.

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— THE RS1 ADVANTAGE —

The Mouthguard Built Different

YOGA & WELLNESS

GYM & FITNESS

SPORTS & ACTIVE LIFE

Team Sports

Casual Daytime Use

THE PROBLEM

Your jaw is throwing off everything below it — and it's costing you performance.

When your jaw sits out of position, your whole skeleton compensates for it. You lose the symmetry your body relies on to move efficiently, you burn energy clenching instead of competing, and you hit a ceiling that no amount of training or supplements will break through.

01

Clenching under pressure burns energy you need late in the game
02

A misaligned jaw wrecks the symmetry your whole body depends on to move well
03

A restricted airway means less oxygen exactly when you need it most
04

Grinding wears down your teeth and speeds up the fatigue that follows

THE SOLUTION

One simple spacing shift unlocks everything.

The RS1 creates spacing between your upper and lower jaw, helping promote a more relaxed jaw position and natural oral posture. This subtle shift can support better breathing, improved comfort, and more efficient movement. So you can perform, recover, and feel your best from the very first use.

Unlocking the bite

We like to say... "for the skeleton to change, the bite needs to be able to change." Which is why we believe it is important that you unlock how the upper and lower teeth come together when exercising.

Adding vertical height

Add height between the teeth creates a biomechanical 'stretch' on the rest of the body in our experience. And that works in your favor in terms of not getting fatigued or sore as easily.

Remodel the skeleton

What if you could use every athletic session to remodel the skeleton positively so that you are stronger and more flexible over time? That is the power of leveraging biomechanics in our view.

HOW TO USE IT

How to use your RS1

Four mechanisms working together — measured at the jaw, felt through the whole kinetic chain.

Do not mold

Just wash it off after you receive it.

Pop it in your mouth

The ledges should face down and sit inside the lower teeth. This helps keep it in place.

Use it while playing athletics

Clench lightly on it while active. Take it out when speaking.

Wash it after use

Wash with warm water and soap. Leave to dry in a dry place.

WHO IT'S FOR

Already a Reviv user? RS1 is what you wear when you move.

At the gym

Wear it through your workout the same way you wear RS1 at night. Keep the jaw spacing going around the clock.
In a class or group session

Yoga, spin, HIIT—whatever moves you. RS1 fits discreetly and stays out of your way.
Playing a sport

Tennis, golf, basketball, pickleball. Any activity where you'll benefit from jaw spacing and tooth protection.
Just active in daily life

Gardening, hiking, cycling—if you're moving, RS1 extends the benefits of your Reviv routine into your waking hours.

Frequently Asked Questions

What is RS1?

RS1 is Reviv's sport mouthguard — designed to keep your bite unlocked while exercising and playing sports so that you reap the biomechanical benefits of that.

How is RS1 different from R1, R2, or R3?

R1, R2, and R3 are designed for nighttime wear and have channels for both upper and lower teeth. They are a bit bulky whereas RS1 is smaller and thus easier to use during the day. RS1 also has ledges for the bottom teeth but is completely flat on top.

Does RS1 require any molding or fitting?

No molding required. RS1 is ready to use straight out of the box — just fit it in and train.

What sports is RS1 designed for?

RS1 is built for playing sports, exercising, etc. In general it keeps the upper and lower teeth separated without locking the bite, which has positive biomechanical impacts in our view.

Can I wear RS1 all day?

RS1 is meant to be used more for athletic use — gym sessions, classes, sport, and active daily movement. But it can also be used as a normal daytime mouthguard like RD1 (RevivDay). But given that RD1 molds to the lower teeth and RS1 doesn't, RS1 is likely not as comfortable as a casual wear day guard as RD1.

How do I clean RS1?

Rinse with cold water before and after each use. For a deeper clean, use a soft toothbrush with mild soap. Avoid hot water — it can distort the shape. You can also use Repod for a thorough clean.