Expand-A-Lung® Breathing Fitness Trainer – Lung Strengthening Device – USA
- Transform your respiratory performance with the Expand-A-Lung® Breathing Fitness Trainer – the breathing resistance exerciser designed for serious athletes and wellness enthusiasts. Feel the controlled resistance strengthen every breath as medical-grade silicone meets precision engineering, creating a lung strengthening device that delivers measurable results you can feel from day one.
- Variable inspiratory and expiratory resistance with adjustable valve control
- Medical-grade silicone mouthpiece for comfortable extended training sessions
- Proudly made in USA since 2002 with 5-year warranty on parts and labor
- 45-day return policy for risk-free performance testing
- Proven to improve stamina, endurance and overall quality of life
Unlike basic breathing trainers, Expand-A-Lung® provides true bidirectional resistance training – strengthening both inhale and exhale for complete respiratory fitness.
Shop now and elevate your breathing performance.
First Class Mail
(3-5 days) – USA
$29.95
Why Choose Expand-A-Lung®?
Tap the circles for bits of info.
Mouthpiece:
Medical-Grade Silicone
Supports inhaling and exhaling
Made in USA
Adjustable Resistance
No Batteries or Apps needed
Mouthpiece:
Medical-Grade Silicone
Supports inhaling and exhaling
Adjustable Resistance
No Batteries or Apps needed
Made in USA
What Else Will I Know About Expand-A-Lung®?
TRAIN FOR EVERY CHALLENGE
Expand-A-Lung® complements a wide range of training disciplines by helping strengthen the muscles used for breathing. Explore how respiratory muscle training fits into different performance goals.
Build Endurance From the Breath Up
Long-distance running depends on more than strong legs. Efficient breathing supports rhythm, consistency, and endurance throughout every mile. Expand-A-Lung® helps strengthen the muscles used for breathing, making respiratory muscle training a valuable addition to your routine.
- Endurance Training
- Respiratory muscle conditioning
- Daily performance routine
Power Every Climb with Better Breathing
Whether you’re climbing hills or pushing through long-distance rides, breathing efficiency plays a key role in sustained performance. Respiratory muscle training complements your cycling program by helping prepare the muscles responsible for every breath.
- Support sustained power output
- Improve breathing control
- Ideal for road and indoor cycling
Train the Muscles Behind Every Breath
Swimming demands precise breathing under pressure. Expand-A-Lung® helps strengthen the muscles used for breathing, making it an excellent addition to dryland training for swimmers looking to build consistency and control.
- Develop breathing control
- Complement swim training
- Build respiratory muscle strength
Support Every Lift with Controlled Breathing
Proper breathing contributes to stability, control, and confidence during strength training. Adding respiratory muscle training to your routine helps reinforce efficient breathing habits that support demanding workouts.
- Improve breathing awareness
- Complement resistance training
- Build stronger breathing muscles
Stay Composed Under Pressure
From striking to grappling, combat sports require controlled breathing through intense bursts of activity. Expand-A-Lung® helps strengthen respiratory muscles, supporting athletes who want to maintain composure and consistency throughout training.
- Improve breathing control
- Support high-intensity training
- Build respiratory endurance
Go Further with Every Breath
CrossFit pushes your strength, endurance, and mental resilience through constantly varied, high-intensity workouts. Just as you train your body to perform under pressure, your breathing can become an important part of your routine.
Developing better breathing habits can help you stay composed during demanding workouts, recover more efficiently between rounds, and maintain consistency from your first repetition to your last.
Whether you’re preparing for your next WOD or working toward a new personal best, training your breath can become another tool in your performance toolkit.
- High-Intensity Performance
- Between-Round Recovery
- Consistency Under Fatigue
Strengthen Your Respiratory Muscles
Key Benefits
Expand-A-Lung uses adjustable resistance to train both your inhalation and exhalation muscles similar to how weights strengthen your body. Consistent use helps improve breathing capacity, endurance, and breathing efficiency
Stronger breathing muscles can delay diaphragm fatigue during intense exercise, helping you perform longer before feeling out of breath. Ideal for runners, cyclists, swimmers, martial artists, CrossFit athletes, and other endurance sports.
Whether you’re a beginner or an experienced athlete, the resistance dial lets you start comfortably and gradually increase intensity as your respiratory muscles become stronger.
Train for just 3–5 minutes once or twice daily. Most users notice improvements in breathing endurance within 2–4 weeks of consistent use. Athletes can also use one additional set before workouts as a warm-up.
Unlike traditional breathing exercises, Expand-A-Lung provides physical resistance that challenges your breathing muscles, allowing them to become stronger over time rather than simply practicing breathing patterns.
A stronger diaphragm contributes to better core stability during heavy lifting, supports efficient breathing mechanics, and complements yoga, breathwork, and post-workout conditioning.
Compact enough for daily travel, built from durable BPA-free, latex-free silicone and high-strength materials, and designed to provide years of reliable respiratory training with proper care.
What Customers Are Saying
Real experiences from Expand-A-Lung® customers.
Choose Genuine. Choose Expand-A-Lung®.
Expand-A-Lung® has been trusted by athletes, fitness enthusiasts, and breathing trainers for over two decades. As our brand has grown, unauthorized copies and imitation products have appeared online that may look similar but are not manufactured or supported by us.
When you purchase directly from our official website or an authorized retailer, you can be confident you’re receiving:
- The authentic Expand-A-Lung® Breathing Fitness Trainer
- Premium manufacturing and quality standards
- Official customer support
- Genuine product backed by our team
Thank you for choosing the original Expand-A-Lung® and supporting a brand dedicated to helping people strengthen their breathing through quality, innovation, and performance.
