• Drug-free
  • Scientifically proven
  • Independent dial system
  • Portable, easy to use


(29 customer reviews)

About Breather Fit

Breather Fit is an evidence-based, drug-free Respiratory Muscle Training (RMT) device designed to help professional athletes, triathletes, and Olympians gain a competitive edge. RMT is scientifically proven to extend your time to fatigue, improve your cardio performance, increase your V02 max levels, reduce exercise-limiting dyspnea, and extend your lactate threshold. Respiratory Muscle Training is also used to strengthen diaphragmatic muscles, delivering greater vocal and instrument range for entertainers.

Breather Fit is the next evolution in RMT, developed from the success of The Breather, which has been used in clinical applications for the past 40 years with over 1 million units sold.

Athletic Benefits


  • Decreases exercise-limiting dyspnea
  • Increases MIP, MEP and VO2Max Levels
  • Accelerates Recovery
  • Improves Oxygenation
  • Delays Onset of Blood Lactate
  • Reduces time to fatigue
  • Reduces oxygen consumption of respiratory muscles

View FAQ

Breather Fit – RMT for Athletes
Breather Fit – Athlete Training Journal


29 reviews for Breather Fit

  1. Spartan

    I am using the Breather Fit as the next step in my training after the Breather. It is excellent in providing more of a challenge. Using the Fit has produced a noticeable difference in a relatively short time.

  2. Rich

    It was delivered on time and they provided regular updates. The Breather Fit is easy to use and the company provides plenty of instructional videos and printed instruction. Great Product!

  3. Jimmie

    I enjoy the large varieties of training exercises. I am an Asthmatic. Breathing and strengthening the diaphragm really strengthens my lung capacity. I can feel my lungs getting stronger. I highly recommend.

  4. Denver

    As an anxious person this has helped me relax. Helps me stop shallow breathing.

  5. Carrie Wilkinson

    I love that this breather is 1. Adjustable 2. Geared for inhale AND exhale breathing. I am excited to see how my VO2 Max improves over the next few weeks, and will try to update as it changes. I’m hoping to feel the effects by mid Feb when we are going skiing. Altitude plus exercise should be a good test! Like anything of this nature, the key is consistent use.

  6. Shawn l Bozarth

    I received Breather Fit roughly about 2 months ago and within that short time my sleep apnea has improved. My CPAP settings went from a high setting to a minimal one inside 8 weeks. My workouts have gotten slightly stronger and I have an overall better sense of well being. This product is beyond amazing and I highly recommend it. Thank you all at PN MEDICAL!

  7. Maghen

    Great product and vendor

  8. ReidY

    Breather App works perfectly with this product They need to feature the breather app with this product. It makes the usage of the product extremely easy.

  9. Cassie R.

    Excellent for Elevation Training. My husband and I used the Breather Fit as part of our training for Kilimanjaro (peak: 19,430ft). It was instrumental at training ourselves how to breathe properly with minimal exertion. We could definitely tell the difference while we were trekking on the mountain – we were not as tired as we could have been at higher elevations, and slept well at night without noticing the lower pressure air/lack of oxygen. Using the Breather Fit also helped my husband manage his asthma better, and he stopped needing his inhaler as frequently during our cardio training. I would highly recommend this product if you are training for a mountain trek. We started using the Breather Fit 8 weeks prior to our trip.

  10. Palos Verdes

    Absolutely amazing! My husband’s physical therapist recommended it and is absolutely amazing!

  11. thomas p fletcher

    I’m a physical therapist and former athlete who enjoys working out. I wanted to include breath training as part of my overall workout. I heard that Breathe Fit What is an excellent device to incorporate this type of training. I’m looking forward to giving it a good trial and rate it’s effectiveness and possibly even consider recommending it to my patients. My purchase experience was fine. Order with the click of a button and the device showed up on time, as promised. Excited to get started

  12. Peter A. Wicker

    I started using this as soon as it arrived. After 30 days of use, I am a believer! My Vo2 max and my FTP (functional threshold power) increased dramatically. The instructions on cleaning are spot in and the video’s for use are good.

  13. LeeFogle

    I am a normally healthy 62-year-old endurance athlete and after Covid-19 I had pneumonia and diminished lung capacity. This device is fantastic for restoring lung capacity and building good diaphragmatic breathing.

  14. tigero88

    Very Good For Athletes, the Highest Setting might be too difficult for most…but it’s easily adjustable

  15. Paul F. Bourque

    Follow instructions for best use.

  16. Michael Gysin

    Being Alpha One Deficient, it is important that I exercise my lungs, the Breather Fit is excellent for that, and I would suggest it to anyone with a respiratory disorder or want to enhance their cardio capabilities. The only thing I would warn people of is the make sure to find the with Breather that comes with the case which it should automatically come with a case.

  17. Pimpampoum`

    This is a great stamina builder. Easy to use, dials to make it harder or easier.

  18. Omarios420

    They don’t have Breather coach app for android users. So take note people.

  19. Lindsay Ross Bayne

    This is my review building from March with the B Fit – for the past 2 weeks I have been on max settings 2x 20 reps a day, feels very comfortable, tho’ it has been best to build up to this, and the progress is very straightforward, self paced and definitely beneficial [just no chance to try with SCUBA yet!]. What I have now is more confidence in my breathing, and a definite improved feel in exercise. This is a great tool and a real find – heartily recommended. So, I am looking for the next stage, please!!!!

  20. T. Martin

    Protocol is simple: breathe on certain settings 10 time twice a day. Benefits are noticeable.

  21. coreflorida

    thebreather 🙏🏼💪🏼😊Thanks for sharing this. 🙌🏼carbonebrothers_surf We surfers feel blessed – we are still able to hit the waves every day. Our dad works for the company who makes Breather Fit. We use during warmup time before surf training each day and have a focus protocol we use during competition days.“

  22. reach outcomes

    As with any muscle in our body, to experience adaptation, we must apply an appropriate stimulus. This remains true for our respiratory muscles, although we often overlook them. Breathing against load can help strengthen these muscles. We have enjoyed using the @thebreather due to its ability to provide varied resistance to both the inhale and exhale. A balloon is another option, although this does not provide resistance for your inhale.

    The Breather Fit recommends a protocol of twice a day, 2-3 sets of 10 reps at 7 RPE (Rate of Perceived Exertion), for increased respiratory muscle strength and endurance.“

  23. thegoodmang

    “Hey everyone! Finally got to show off a little bit of the @thebreather (fit) I’ve been using! This tool that allows me to gradually provide resistance to my respiratory muscles! 💪 .Having asthma 💨(exercise induced)🏃 throughout my life I have noticed that when it acts up it is usually when I’m training hard and breathing heavily. Not surprisingly my asthma gets better the more frequently I train and breath heavily the better my breathing gets… Like I’m raising the threshold.🏋️.

    The breather fit let’s me have the same effect on my breathing without having to work myself to my limit to get there. I have been adding it on after my breathwork sessions and it’s been great! .Let me know in the comments down below if you would like be to talk more about it or do a tutorial!“

  24. Lindsay R. Bayne

    “I felt that I had outgrown the (basic, dare I call it?) Breather, finding probably some benefit of course, but I had the settings on maximum for several week, increased reps and sessions – so time to look for something more. The B.Fit is the next logical step, as I’m a SCUBA diver (experienced now), seeking to enhance my dives with better breathing control and ability:so, this is my 2nd day, and feel comfortable on setting 2, used for the first time this morning: no puffing of the cheeks, in control, building from a conservative 10 reps: this device is great, giving me a range to work through far better than the Breather…”

  25. Dylan Edwards

    Priming for workouts is crucial. I use and combine a variety of “breadcrumbs” to integrate and prime breathing, cognition, and pliability.

    Here I am focusing on DNS “cylindrical breathing” with feedback from a yoga block and the ground on my torso. Additionally, I am using @thebreather fit for RMT (respiratory muscle training) to prime IAP. (intra abdominal pressure)

  26. Karl

    “Easy to use, helps breathing whilst strengthening the lungs. The best thing is it works both inhaling and exhaling muscles keeping it balanced, unlike POWERbreathe which concentrates on inhaling.

  27. Jona T

    I just tested the breather before my last basketball game and noticed huge improvements in my breathing and stamina. I didn’t even have to sub out once! It is easy to use and bring anywhere!

  28. Tina Conway

    Now as an affiliate athlete to BREATHER FIT I am able to continue to get my lungs on point. I recommend you check out @thebreather as I have every faith that this will improve my overall fitness and give me the edge with #noexcuses

  29. Chris Moyer “Dutch”

    “This little piece of equipment will give you an edge. Go look up “Breather Fit“ on Amazon or go straight to their website. Get the at last tool you’ve been needing to get that edge!”

Add a review

Your email address will not be published.

Tech Specs

ATHLETE RANGE: -335 cmH2O to +250 cmH2O
SETTINGS: 6 Inspiratory, 5 Expiratory
DIMENSIONS: 129x43x46mm
WEIGHT: 1.6 oz
USE: Single User Device
LIFESPAN: Up to 2 yrs under normal conditions

Return Policy

The Breather Fit is a single patient use device. As such, returns of working devices are not accepted.

PN Medical, Inc. (“PN Medical”) warrants that its “The Breather” products (“Products”) will be free from manufacturing defects for one (1) year from the date of purchase. This warranty applies only to Products that were purchased from PN Medical or a PN Medical-authorized retailer, unless otherwise prohibited by law. PN Medical Products are legitimately sold only by authorized sellers who are required to follow PN Medical policies, procedures, and quality control standards. PN Medical reserves the right to reject warranty claims from purchasers for Products purchased from unauthorized sellers, including unauthorized Internet sites. This warranty does not cover any defects due to normal wear and tear, damage due to misuse, alteration to the product, or negligence.

Purchasers of Products who wish to make a warranty claim based upon a Product defect should call 877-414-4449. PN Medical will repair or replace a defective Product that is covered by this limited warranty or will refund the purchase price of the Product at PN Medical’s sole discretion.

There are no warranties which extend beyond those stated herein. Any implied warranties that may be applicable to Products, including implied warranties of merchantability or fitness for a particular purpose, are limited in duration to the duration of this warranty. Some States do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. Under no circumstances shall PN Medical be liable for any special, incidental, or consequential damages based upon breach of this limited warranty, breach of contract or strict liability. Some States do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from State to State.


30 Day Money Back Guarantee: PN Medical will refund the purchase price of your device within 30 days of proof of purchase. This money back guarantee applies only to devices that were purchased from PN Medical or a PN Medical-authorized reseller.

1 Year Warranty: PN Medical guarantees that your Breather device will be free from manufacturing defects for (1) one year from the date of purchase. This applies only to devices that were purchased from PN Medical or a PN Medical-authorized reseller, unless otherwise prohibited by law. This warranty can be extended to (2) two years if you activate your device at (https://www.pnmedical.com/activate/). By activating your device, you also unlock a unique onboarding program, our latest research and training, access to our BREATHER COACH mobile app, video demos and instructions, and more. PN Medical reserves the right to reject warranty claims for Products purchased from unauthorized sellers, including unauthorized Internet sites. This warranty does not cover any defects due to normal wear and tear, damage due to misuse, alteration to the product, or negligence.

Customers who wish to make a warranty claim should email us at [email protected] or call 877-414-4449. PN Medical will replace your device that is covered by this warranty or will refund the purchase price at PN Medical’s sole discretion.

Customers who bought this item also bought