• Breathing Trainer Lung Flexer Durable Fitness Exerciser Increases Lung Capacity Breath Adjustable Levels Respiratory Deep Breath
  • Breathing Trainer Lung Flexer Durable Fitness Exerciser Increases Lung Capacity Breath Adjustable Levels Respiratory Deep Breath
  • Breathing Trainer Lung Flexer Durable Fitness Exerciser Increases Lung Capacity Breath Adjustable Levels Respiratory Deep Breath
  • Breathing Trainer Lung Flexer Durable Fitness Exerciser Increases Lung Capacity Breath Adjustable Levels Respiratory Deep Breath
  • Breathing Trainer Lung Flexer Durable Fitness Exerciser Increases Lung Capacity Breath Adjustable Levels Respiratory Deep Breath
  • Breathing Trainer Lung Flexer Durable Fitness Exerciser Increases Lung Capacity Breath Adjustable Levels Respiratory Deep Breath

OxyFlow Pro™ Stamina & Recovery

OxyFlow Pro™ Stamina & Recovery

  From 169 + Reviews
$38.00 CAD
$38.00 CAD $77.00 CAD
Save 50% Sold out

💪 Boost Athletic Endurance

⚡ Strengthen Respiratory Muscles

🔥 5-Minute Daily Protocol

50 % OFF TODAY ONLY

Low stock: 10 left

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How It Works // How To Use

Insert the silicone mouthpiece and adjust the resistance dial to your current fitness level. Take deep, controlled inhalations through the device and exhale naturally, repeating for 3–5 minutes daily to strengthen your diaphragm.

As your breathing becomes easier, incrementally increase the resistance to continuously challenge your lungs and build elite endurance.

Our Guarantee

If you're not 100% satisfied within the first 30 days, just send it back to us and we'll give you a full refund.

No need to worry about the return shipping - we've got you covered!

Shipping Info

We offer fast and reliable shipping on all orders. You can expect to receive it within 7-30 business days based on your location.

Please contact our customer service team for assistance if you have any questions or concerns about your shipment.

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OxyFlow Pro™ Stamina & Recovery

$38.00
$38.00 $77.00
Save 50% Sold out

⭐⭐⭐⭐⭐

The "Second Wind" Is Real

"I used to gas out halfway through my HIIT sessions, but after two weeks with OxyFlow™ Pro, my endurance has completely shifted. I’m recovering significantly faster between sets, and that heavy lung-burn is gone. It feels like I’ve unlocked a second gear I never knew I had absolutely essential for anyone serious about their performance."

- Chris V., Performance Athlete

✅ Verified Buyer

Stop Gassing Out Early

Your muscles aren't failing; your lungs are. The OxyFlow™ Pro strengthens your diaphragm to ensure every breath carries the maximum amount of oxygen to your blood. Train your lungs to work as hard as your heart so you never have to slow down when the intensity peaks.

Why People Love Our Product

  • Break Your Plateaus

    Increase your lung resistance to force your body into elite-level cardiovascular adaptations.

  • Faster Session Recovery

    Lower your heart rate rapidly between high-intensity intervals by breathing more efficiently.

  • Precision Resistance:

    Dial in your exact fitness level with 10+ micro-adjustable settings for constant progress.
Breathing Trainer Lung Flexer Durable Fitness Exerciser Increases Lung Capacity Breath Adjustable Levels Respiratory Deep Breath

Is It Hard To Use?

Insert the medical-grade silicone mouthpiece and rotate the precision dial to your starting resistance level.

Inhale deeply and controlled through the device for 3–5 minutes daily to strengthen your diaphragm, then exhale naturally.

Purple resistance band trainer for home workouts on hardwood floor

Will It Last?

The OxyFlow™ Pro is engineered with BPA-free, hypoallergenic silicone that is 100% waterproof and odor-resistant for elite-level hygiene.

Simply rinse with warm water and soap after your session to keep your performance tool sterile and ready for your next peak.

The Science of Respiratory Muscle Training (RMT) isn't just about "breathing better"; it’s about conditioning the specific muscles that drive every breath. Here is how it upgrades your physiology:

  • Benefit

  • The Science

  • Why It Matters


  • 💪 Diaphragm Strength



  • Think of RMT as a "dumbbell for your lungs." By breathing against resistance, you force the diaphragm and intercostals to adapt and thicken

  • A stronger diaphragm requires less energy to move air, leaving more fuel for your legs and arms.


  • 🩸 Oxygen Saturation

  • Optimized breathing patterns lead to more efficient gas exchange. Better breathing = more oxygen to your muscles.

  • Higher oxygen availability prevents premature fatigue and keeps your "engine" running longer.


  • ⚡ Lactic Acid Delay



  • Stronger respiratory muscles reduce the "metaboreflex"—a survival mechanism that steals blood from your limbs to power your lungs.

  • By delaying this reflex, you can push past the "burn" and maintain high-intensity output for longer durations.

Frequently Asked Questions

How often should I use the OxyFlow Pro™ to see results?

For the best results, we recommend using the device for 3–5 minutes daily. Most users begin to notice a significant improvement in their breathing efficiency and cardiovascular endurance within the first 2–3 weeks of consistent use.

Is it difficult to clean and maintain?

Not at all. The OxyFlow Pro™ is engineered with medical-grade, BPA-free silicone that is 100% waterproof. Simply remove the mouthpiece and rinse it with warm water and mild soap after each session to keep it sterile and odor-free.

Can I adjust the difficulty as I get fitter?

Yes! The device features a precision resistance dial with over 10 micro-settings. This allows you to start at a comfortable level and incrementally increase the resistance as your diaphragm grows stronger, ensuring you never hit a plateau.

Who can benefit from using a breathing trainer?

While it is a favorite among high-performance athletes, runners, and cyclists, the OxyFlow Pro™ is beneficial for anyone looking to improve their lung capacity. Whether you're looking to stop "gassing out" during HIIT workouts or simply want to improve your everyday respiratory health, the adjustable levels make it suitable for all fitness stages.

How does it actually help with recovery?

By strengthening the inspiratory muscles (the muscles used to breathe in), you can move more oxygen into your bloodstream with less effort. This helps lower your heart rate faster between high-intensity sets, allowing you to recover quicker and go harder in your next round.

⚠️ ATTENTION: Our social media is blowing up and our inventory is running low.

We highly suggest ordering today before we run out of stock.