35% OFF Limited offer today Free shipping worldwide 90 day results guarantee Results in 2 weeks or money back 4,000+ men training 5 minutes per day 35% OFF Limited offer today Free shipping worldwide 90 day results guarantee Results in 2 weeks or money back 4,000+ men training 5 minutes per day
Structural Training Device

Masseter trainer

★★★★★ Rated 4.8 (4,000+ reviews)
49 34 Save €15

Most jaw trainers train the masseter, the chewing muscle. The Hyoid Trainer trains the eight deep muscles below your jaw that actually control your side profile. You breathe against calibrated resistance. The suprahyoid complex fires through the Upper Airway Dilator Reflex. Over weeks, those muscles strengthen and shorten and your hyoid bone lifts. Five minutes a day. Visible change in two weeks. Structural lock in by month three. TMJ safe.

  • Sharper jawline
  • Better side profile
  • Visible in 2 weeks

Blue
Hyoid Trainer
Hyoid Trainer

The main device. Trains the floor of your mouth.

34 49
BEST VALUE
The Ascension Stack
The Ascension Stack

Hyoid Trainer + Masseter Trainer. Both structural dimensions.

54 63
  • Hyoid Trainer (€34 value)
  • Masseter Trainer (€29 value)
Apple Pay, Google Pay, Mastercard, PayPal, Visa
Delivered Mon 26 May
90 day returns
90 day money back guarantee. No questions asked.

Most asked

Most users notice a sharper side profile within 2 weeks of 5 minutes per day. Structural lock in happens at 3 months.
The Hyoid Trainer plus the Masseter Trainer. The Hyoid Trainer builds the floor of your mouth. The Masseter Trainer builds the lateral jaw at the molars. Together they cover both structural dimensions.
5 minutes per day. That is it.
Yes. The Hyoid Trainer targets respiratory muscles, not the jaw joint. The Masseter Trainer loads the molars, the contact point built to bear force. No TMJ stress.
Real results from real training
Tom W. result

"Honestly didn't expect much. Three weeks in my girlfriend asked if I lost weight."

Tom W. ★★★★★
Marcus T. result

"Was skeptical for the first few weeks. Started noticing it around week 4."

Marcus T. ★★★★★
Liam S. result

"Took longer than I hoped. Two months in and the change is hard to ignore."

Liam S. ★★★★★
THE MECHANISM

Your hyoid has dropped. This is how we lift it.

Breathing against resistance fires the Upper Airway Dilator Reflex. Eight deep muscles attached to your hyoid bone engage. With progressive overload, they shorten. Your hyoid elevates. Your jaw to neck angle sharpens. Permanently.

WHY THIS MATTERS

The hyoid is the only bone in the human body with no direct joint connection to the skeleton. It is held entirely by muscle. That means it responds to training.

Suprahyoid muscle anatomy
THE DAILY PROTOCOL

5 minutes. Every morning.

Best done after waking, before coffee. Neck slightly extended. Set your resistance level, breathe, repeat.

01

Set your resistance

Place the mouthpiece. Dial to your current training level. Begin with Level 1 in week 1.

02

10 controlled breaths

Inhale slowly against resistance. Feel the floor of your mouth engage. Rest 30 seconds. Repeat for 3 sets.

03

Increase every 2 weeks

Add one resistance level every fortnight. This is the progressive overload that drives structural change.

Total session time: 5 minutes.
PROGRESSIVE OVERLOAD

Twist the dial. Increase the load.

Every week, you add resistance. Your muscles adapt. Your hyoid lifts further. This is why HYOIDR works when passive exercises fail. It gives your muscles a reason to grow.

Start Training

The results speak.

Result
Marcus T.Week 8
Result
Jake R.Week 12
Result
Liam S.Week 10
Result
Daniel K.Week 9
Result
Ethan P.Week 11
Result
Noah B.Week 7
Result
Owen M.Week 14
← swipe to see more →
DEEP DIVE

How the training works.

The device creates calibrated airway resistance. Your body detects it and fires a reflex that activates the muscles at the base of your jaw.
Mylohyoid, digastric (anterior and posterior belly), geniohyoid, stylohyoid, and the diaphragm, scalenes, and sternohyoid engage under sustained resistance. Eight muscles. No jaw trainer in the world targets them. Only HYOIDR.
Train for 5 minutes a day. Increase resistance every two weeks. The muscles strengthen and shorten. Your hyoid lifts. Your side profile hardens. The change is permanent. HYOIDR is a 90-day protocol, not a device you use forever.
Breathing resistance in use
Suprahyoid muscles labelled
Vacuum reflex active
The Ascension Stack

The lateral jaw needs its own stimulus.

The Hyoid Trainer builds the floor of your mouth. The Masseter Trainer builds the lateral jaw. It sits over your molars, the contact point your anatomy is built to load, and trains the masseter and temporalis under bite resistance.

Competitor jaw trainers load the front teeth and stress the TMJ. This loads where 200 pounds of bite force already lives.

Why stack them

Suprahyoid floor plus lateral masseter. Two structural dimensions. The Ascension Stack is the only protocol that trains both. Select it in the buy box.

Masseter and temporalis lateral anatomy
PROTOCOL

The 3 phase training protocol.

Start at resistance Level 1. Perform 10 slow controlled breaths against the device, inhaling through the mouthpiece. Rest 30 seconds. Repeat for 3 sets. Total time: 5 minutes. In the first two weeks, your body is learning the Upper Airway Dilator Reflex. The automatic response that fires your suprahyoid muscles every time airway resistance is detected. You will feel the floor of your mouth engage. Most users notice a sharper side profile by the end of week 2.
Every two weeks, increase resistance by one level. Your muscles now have a reason to adapt. The same principle as progressive overload in any serious training protocol. Sessions remain 5 minutes. As the muscles strengthen and shorten, your hyoid bone elevates. The jaw to neck transition visibly sharpens. This is where structural change locks in. Do not skip days. Adaptation is cumulative and consistency outweighs intensity.
You are now training at Level 4 or 5. The suprahyoid complex is fully activated. Results at this stage are not cosmetic. They are structural. The hyoid sits higher. The mylohyoid is thicker. The jaw to neck angle is permanent. At day 90, most users stop active training and maintain their result with 3 sessions per week. HYOIDR is a 90-day protocol. Not a device you use forever.

What you have tried vs what actually works.

Jaw TrainerJaw Trainer
MewingMewing
HYOIDRHYOIDR
Right muscles?
Results timeline?NeverYears2 Weeks
Safe long term?
Progressive overload?
Dr. Henrik Voss
Dr. Henrik Voss, MD
Sports Medicine

The hyoid is the most under trained structure in male facial development. HYOIDR is the only consumer device I have seen that applies progressive resistance to the suprahyoid complex directly.

REVIEWS

4,000 men. Same result.

4.8★★★★★
4,127 verified reviews
586%
410%
33%
21%
10%
★★★★★

Not in your head.

ngl i thought i was imagining it at week 3. kept checking in different lighting convinced it was just the angle. showed my mate and he clocked it without me pointing anything out. its not in your head

Marcus T.✓ Verified
★★★★★

Mechanism actually different.

tried jawzrsize, been mewing like 18 months, did mastic gum for a while too. none of it moved my actual profile. 6 weeks on this and the difference is visible even in pics. the mechanism is genuinely different and that part matters

Jake R.✓ Verified
★★★★★

Cleaner than at 16.

2 months in. the jaw to neck line is cleaner than its been since i was maybe 16. 3 seperate people asked if ive lost weight. havent changed diet or training. hard to argue with that

Liam S.✓ Verified
★★★★★

Don't skip days.

5 minutes felt too easy to actually work and thats exactly why i almost didnt buy lol. week 3 you start feeling something different activating. dont skip days, seriously

Daniel K.✓ Verified
★★★★★

Didn't return it.

bought it fully expecting to return it. the only thing that stopped me from writing it off immediately was the progressive overload angle, that part actually made sense to me biologically. didnt return it

Ethan P.✓ Verified
★★★★★

No more jaw clicking.

had jaw clicking from using chew trainers too heavy for too long. switched to this and the clicking stopped within like 2 weeks. then the profile changes started after. completely different muscle group being targeted, thats the thing people dont get

Noah B.✓ Verified
★★★★★

Asked if I lost weight.

my flatmate asked me last week if id done something to my face or lost weight. didnt tell him anything. just said nah. thats the whole review honestly

Owen M.✓ Verified
★★★★☆

Locked in by month 3.

missed about a week in month 2 and genuinely felt like i lost ground. back on it every morning since, results feel locked in now around month 3. dont skip. 4 stars bc of the week i wasted not bc of the product

Lucas H.✓ Verified
★★★★★

The combo is different.

been running this alongside chew training for 3 months. the combo is different bro. definition under the jaw is not the same as it was. cant really go back

Adam V.✓ Verified
★★★★★

Felt it next day.

breathing through this thing is harder than it looks and thats the point. first time i used it properly my neck actually felt it the next day. different muscles than anything ive trained before

Ryan M.✓ Verified
★★★★★

Pictures don't lie.

been tracking weekly photos for 2 months. the change in under-chin definition is not subtle after week 6. visible in pictures which are worse than mirrors for hiding things

Tyler B.✓ Verified
★★★★★

Beats my peak physique.

my gym progress has been mediocre lately but my face looks better than when i was at my peak physique. that tells me this is doing something completely separate

Connor J.✓ Verified
★★★★★

Read it twice. Bought it.

a guy in my course mentioned it. read the whole mechanism page twice before buying. bought it. no regrets

Sam W.✓ Verified
★★★★★

Bought it at 1am.

found this researching hyoid bone anatomy at like 1am. bought it by 1:30. thats what happens when the mechanism actually makes sense

Max F.✓ Verified
★★★★☆

Push through week 2.

almost quit at week 2. nothing visible yet and i thought id wasted my money. week 4 something changed in my profile. stay consistent through the ugly period is all i can say

Finn O.✓ Verified
★★★★★

Front camera doesn't lie.

noticed it in photos before i noticed in the mirror which surprised me. mirrors lie. front camera doesnt. profile is cleaner

Alex C.✓ Verified
★★★★★

Breathing improved too.

my breathing during long distance runs improved noticeably around week 5. wasnt expecting that at all. assumed it was just structural. the respiratory side is real

Zach T.✓ Verified
★★★★★

Belgium delivery fast.

ordered from Belgium, arrived fast. 10 weeks in. the change in my side profile is visible to people who havent seen me in a while. they cant place what changed and thats the best possible outcome

Joris V.✓ Verified
★★★★★

Different on video calls.

i look different on video calls now. actual jaw definition from the front. been WFH for 2 years and never looked like this on camera before

Theo G.✓ Verified
★★★★★

Better profile at 31.

had a weak chin my whole life. genuinely accepted it. this doesnt fix your chin but the hyoid lift changes the relationship between jaw and neck in a way that makes everything look stronger. im 31 and my profile is better than at 21

Will P.✓ Verified
★★★★★

They stopped laughing.

tried to explain to my flatmates what it actually does. they thought i was making up the hyoid bone lol. showed them my before photos. they stopped laughing

Jamie N.✓ Verified
★★★★★

Five min, coffee brews.

use it in the morning before anything else. 5 min while the coffee brews. thats it. 3 months of that and it compounds

Scott D.✓ Verified
★★★★★

Cheaper than buccal fat.

compared prices for buccal fat removal, kybella, all of it. bought this instead for 39 euros. not the same thing obviously but the profile improvement is real and i still have my face

Harry L.✓ Verified
★★★★★

Soft tissue line changed.

mouth breather my whole life, recessed everything, the works. this doesnt fix your bones but it changes the soft tissue line under your jaw noticeably. 8 weeks in. still using it

Rory K.✓ Verified
★★★★★

Day 31 looked different.

woke up on day 31 and just looked different. couldnt explain exactly what changed. checked my photos. the under-jaw line was tighter. nothing dramatic but clearly visible

Felix H.✓ Verified
★★★★★

Bought a second one.

on my second device. lost the first one travelling. bought another the same day i realised. that tells you how much id gotten used to the routine

Leon S.✓ Verified
★★★★★

Six months, still using.

6 months in. still using it. the people who stop at 6 weeks are missing what happens at months 3 and 4. results keep compounding past the initial phase

Seb R.✓ Verified
★★★★★

Posture improved too.

my posture improved alongside the jaw results. makes sense when you think about the hyoid connection to neck positioning. wasnt expecting that but ill take it

Mateo A.✓ Verified
★★★★☆

Quality surprised me.

quality is better than i expected for the price. was expecting cheap plastic, its solid. the resistance levels are actually noticeable between them. 4 stars only bc i wish there were more increments

Nico B.✓ Verified
★★★★★

Mewing didn't compare.

was a mewing guy for 2 years. tongue posture, the whole protocol. results were minimal. 8 weeks of this and i understand why. completely different mechanism. this is the one that actually does something visible

Lukas F.✓ Verified
★★★★★

Girlfriend noticed first.

my girlfriend noticed before i did. she said my neck looked longer. it doesnt look longer its just defined now. same thing visually, better outcome

Casper M.✓ Verified
★★★★★

Does what it says.

does what it says. thats all i need from a product. visible under-jaw definition after 7 weeks. consistent use. nothing complicated

Viktor T.✓ Verified
★★★★★

First thing that worked.

18 and been reading about this stuff for like a year. first thing ive bought that gave actual visible results. the mechanism explanation is what sold me

Tom H.✓ Verified
★★★★★

Sleep improved.

sleep got better around the same time the structural results showed up. dont know if thats coincidence or the airway work doing something. mentioning it either way

Ben W.✓ Verified
★★★★★

Not cope, just true.

was a coper for years thinking jaw trainers did something. they dont, they just inflate your masseters which does nothing for actual profile. this trains something different and the result is different. not cope, just true

Kai S.✓ Verified
★★★★★

Nine weeks of comments.

ordered sunday, arrived thursday. 9 weeks later leaving this review. my jaw-neck angle is something people comment on now. used to be the thing i hated most about my face

Tomas R.✓ Verified
★★★★★

Soreness in the right place.

the soreness in week 1 is under your chin, not in your cheeks. thats how you know its different. jaw trainers make your cheeks sore. this makes the floor of your mouth sore. completley different thing

Mads L.✓ Verified
★★★★★

Boxing breathing better.

i do boxing. breathing endurance improved, side profile improved. using it as both a training and structural tool now. best 39 euros ive spent this year

James O.✓ Verified
★★★☆☆

Slower than expected.

results are real but slower than i expected personally. week 6 is when i started seeing something, not week 3. still using it, still improving. just set realistic expectations going in

Pieter V.✓ Verified
★★★★★

Buy it and don't skip.

read every negative review before buying. found like 4 out of hundreds. all of them were "didnt work" with no mention of how consistent they were. thats not the products fault. buy it and dont skip

Chris A.✓ Verified

90 day results guarantee.

Train for 90 days. If your side profile has not changed, we refund you in full. No questions. No forms.

Get HYOIDR

Frequently asked questions.

You breathe against calibrated resistance. This triggers a reflex that activates the eight deep muscles below your jaw. With daily progressive overload, those muscles strengthen, your hyoid lifts, and your jaw to neck angle sharpens.
Yes. HYOIDR does not load your jaw joint. It targets respiratory muscles, not masticatory muscles. There is no joint stress involved.
5 minutes per day. That is it.
Same device. Different colour. Both available in the options above.
90 day money back guarantee. If you do not see a visible change in your side profile after 90 days of consistent use, contact us and we will refund you in full.
Daily. The protocol is 5 minutes a day, 7 days a week. Consistency outweighs intensity for structural change.
Yes. HYOIDR targets the muscles below your jaw, not your teeth or bite. Braces and clear aligners are unaffected.
Free shipping worldwide. Orders ship within 24 hours. Tracking is sent to your email as soon as the package leaves our warehouse.
Rinse under warm water after each session. Air dry. Do not use solvents or boiling water. The device is designed for daily use over the full 90 day protocol.
HYOIDR is built for adults 18 and over. Facial structure is still developing before then. We do not recommend it for younger users.