Your breath.
Your balance.
Your transformation.
A natural method to relieve stress, anxiety and pain, boost vitality, strengthen the immune system and improve sleep, concentration and performance.
With Marc Romain (breathing & cooling instructor, 3 world records) and Matthieu Dubreucq (CrossFit Level 4 coach)
Do you recognize yourself in any of these states?
Persistent fatigue, low energy levels
Difficulty regaining vitality despite rest.
Stress, anxiety
Constant inner tension, short breathing, restless mind.
Irritability
Everything irritates you easily, and you lose patience without understanding why.
Anxiety attacks
feelings of oppression, shortness of breath, loss of control.
Performance at work
Difficulty staying focused, clear and effective over time.
Sports performance
Rapid breathlessness, slow recovery, lack of fluidity in effort.
Sleep disorders
Difficulty falling asleep, waking up at night or unrefreshing sleep.
Chronic pain
Muscle tension, backache or persistent diffuse pain.
Inflammation problems
Recurring physical discomfort, sensitive digestion or painful joints.
Decreased concentration
Scattered mind, difficulty staying present and focused.
Reduced motivation
Lack of momentum, loss of meaning or pleasure in your activities.
Feeling of emotional block
Suppressed emotions, difficulty expressing or releasing your feelings.
Weakened immune system
Frequent fatigue, repeated infections, loss of resistance.
Difficulty in recovering from exertion or illness
Slow to regain your usual energy level.
Lack of creativity
Saturated mind, difficulty imagining, innovating or creating.
Lack of self-confidence
Recurring doubts, fear of taking action, feeling "out of breath".
DISCOVER THE o2co2 MASTERCLASS
For professionals under pressure, athletes and anyone seeking well-being.
THE o2co2 MASTERCLASS
Why our method works
We literally teach you how to access your nervous system and influence your hormonal responses according to your needs: regaining calm, increasing energy, improving concentration or speeding up recovery.
By rebalancing O₂ and CO₂ and stabilizing the body’s pH, you naturally soothe stress, reduce inflammation and improve circulation, oxygenation and vitality.
In this way, you become thealchemist of your own body: able to activate physiological states that transform your health, mental clarity and well-being, simply through the power of the breath.
THE o2co2 MASTERCLASS
The benefits you'll feel
Every breath brings you closer to a more aligned, efficient and balanced body and mind, whether in everyday life, at work or in sport.
For your everyday well-being
Regain energy and vitality
A lighter, toned and naturally replenished body.
Soothe your mind and reduce stress
Less tension, more calm and inner clarity.
Improve your sleep
Fall asleep more easily, sleep more deeply and wake up refreshed.
Release your emotions and tensions
A more supple body, a clearer mind, a freer inner space.
Increase your concentration and creativity
Sharper thinking, more fluid ideas, easier decision-making.
Strengthen your resilience and confidence
Facing challenges with stability, courage and serenity.
Boost your immune system and recovery
A stronger, more responsive and better protected body.
Improve your ability to self-regulate
Learn to return to equilibrium quickly, whatever the context.
For athletes
Performance optimization
More efficient breathing, better endurance, more power and faster recovery.
Reduces muscular tension
Smoother movements, greater body mobility and faster return to exertion.
Better effort management
Ability to remain calm, lucid and efficient even under intensity.
For work and professional life
Better concentration and productivity
Clear, focused mind and less mental fatigue.
Managing stress and difficult situations
More calm, perspective and lucidity, even under pressure.
Energy / recovery balance
Staying productive all day without exhaustion.
Faster, fairer decisions
A stable mind that sees more clearly and acts with precision.
Reducing absenteeism
Overall well-being, less tension and more stability in everyday life.
Improved team cohesion
More calm, conscious communication and natural mutual support.
EnTREPRISE LICENCES
Offer your teams simple tools to better manage stress, stay focused and preserve their energy on a daily basis. A lasting sense of well-being that boosts performance… and naturally reduces absenteeism.
For corporate licenses: info.o2co2@gmail.com
ACCESS YOUR FREE VIDEO
Discover the basics of the o2co2 method, a free breathing exercise thatwill calm stress, restore energy and release tension. It only takes a few minutes to experience the immediate effects of the o2co2 method and feel the difference in your body and mind.
THE o2co2 MASTERCLASS
THE 2 PILLARS OF THE METHOD
CONSCIOUS BREATHING
Conscious breathing is at the heart of the o2co2 method. By learning to control your breath, you learn to calm stress, improve your energy and release tension, while boosting your immune system and mental clarity.
CONTROLLED COLD EXPOSURE
Controlled cold exposure completes the practice. We suggest and teach you different ways of exposure, to take full advantage of its benefits. The method adapts gradually to your abilities, emphasizing flexibility and listening to your body. Combined with breathing, it transforms your body and mind, restoring vitality, balance and performance.
DISCOVER YOUR TRAINERS
We are the co-creators of the O2CO2 method. With over 20 years’ cumulative experience and thousands of people trained worldwide, we help everyone improve their well-being and performance through breathing and exposure to cold.
MARC ROMAIN
Breathing & cold instructor (Wim Hof Method, Breatheology, Oxygen Advantage, Pranayama), holder of 3 world records for breathing/apnea in cold water.
MATTHIEU DUBREUCQ
CrossFit Level 4 coach, former Olympic athlete, specialist in performance programming.
We have designed this program to provide concrete, progressive and safe techniques, accessible to all, to transform your health and your everyday life in a lasting way.
WHAT THE MASTERCLASS INCLUDES
9h of videos
Understand and practice the o2co2 method at your own pace.
12 guided breathing exercises
To calm stress, improve energy and release tension.
12 cold exposure protocols
Suitable for all levels, with gradual progression and attention to your body.
10 interactive animations
To visualize and master your breathing techniques.
1 complete 83-page guide
With full explanations and practical advice.
Lifetime access to the o2co2 Masterclass
Keep track of your progress and practice anywhere, as much as you like.
TESTIMONIALS
ARE YOU A COACH?
Become a breath and cold expert
The o2co2 Masterclass is the ideal tool for enriching your teaching and offering your students innovative techniques that clearly set you apart from the competition.
Why it's for you
– Understanding the role of breath, CO₂, pH in performance and stress, and how they regulate physiology, the immune system and the body’s major balances.
– Master safe, progressive protocols for breathing and exposure to cold.
– Add powerful techniques applicable to all levels.
– Boost your students’ results: energy, recovery, focus, stress management.
Your advantage
A modern method that sets you apart, reinforces your expertise and raises the quality of your sessions.
👉 For more information: info.o2co2@gmail.comAre you a company?
Improve the well-being, performance and resilience of your teams.
The o2co2 method is a simple, practical and powerful tool to help your employees achieve physical and mental balance.
Why it's right for your business
– Reduced stress, mental workload and anxiety.
– Improved concentration, creativity and clarity of mind.
– Better recovery and management of work pressure.
– Boost energy, motivation and cohesion.
– Accessible to all, even beginners.
– A commitment to well-being that delivers a real return on investment: less absenteeism, greater efficiency, higher collective performance.
We also offer customized licenses and pricing for companies wishing to deploy the o2co2 method on a large scale.
Your advantage
Calmer, more efficient and resilient employees, able to face professional challenges with serenity and performance.
👉 For more information: info.o2co2@gmail.com
REGISTER FOR THE o2co2 MASTERCLASS
Price: €399
Access for life! Once you’ve registered, enjoy the content at your own pace, as many times as you like.
👉 Companies and professionals! Invest in the well-being and performance of your teams. Our corporate licenses are designed to meet your employees’ needs, boost their energy, and reduce stress and absenteeism.
Find out more : info.o2co2@gmail.com
👉 For students and people in financial difficultyspecial conditions are available.
Contact us to take advantage of them at info.o2co2@gmail.com
Reseller Program
Share the o2co2 method and earn commissions
Would you like to offer the Masterclass to your community?
Join our simple and accessible reseller program.
15 to 25% commission
per sale
10% discount
for your customers
Unique code
to track your
results
No commitment
no constraints
👉 F ind out more at info.o2co2@gmail.com
E-mail: info.o2co2@gmail.com
Address: Montreal, QC, Canada
Join us on Instagram, Facebook and YouTube!
We share our knowledge and experience of the four keys to the o2co2 method, as well as tips for improving your health, well-being and performance. You’ll also find training videos, expert interviews, customer testimonials and exclusive special offers and promotions.
Do you have any questions? Write to us!
Do you recognize yourself in any of these states?
Persistent fatigue, low energy levels
Difficulty regaining vitality despite rest.
Stress, anxiety
Constant inner tension, short breathing, restless mind.
Irritability
Everything irritates you easily, and you lose patience without understanding why.
Anxiety attacks
feelings of oppression, shortness of breath, loss of control.
Performance at work
Difficulty staying focused, clear and effective over time.
Sports performance
Rapid breathlessness, slow recovery, lack of fluidity in effort.
Sleep disorders
Difficulty falling asleep, waking up at night or unrefreshing sleep.
Chronic pain
Muscle tension, backache or persistent diffuse pain.
Inflammation problems
Recurring physical discomfort, sensitive digestion or painful joints.
Decreased concentration
Scattered mind, difficulty staying present and focused.
Reduced motivation
Lack of momentum, loss of meaning or pleasure in your activities.
Feeling of emotional block
Suppressed emotions, difficulty expressing or releasing your feelings.
Weakened immune system
Frequent fatigue, repeated infections, loss of resistance.
Difficulty in recovering from exertion or illness
Slow to regain your usual energy level.
Lack of creativity
Saturated mind, difficulty imagining, innovating or creating.
Lack of self-confidence
Recurring doubts, fear of taking action, feeling "out of breath".
APP o2co2
DOWNLOAD OUR FREE APP
o2co2 is the ideal free breathing app to help you relax and improve your well-being by reducing stress, inflammation, anxiety and promoting better sleep, a stronger immune system, better mental performance, improved concentration, and more.