Exercise with oxygen therapy at Ashworth Chiropractic in West Des Moines, IA, showing a supervised EWOT session on a recumbent bike

Exercise With Oxygen Therapy (EWOT) is a supervised approach that pairs physical movement with the use of concentrated oxygen, delivered through a mask connected to an oxygen-concentrating system.

During EWOT, oxygen levels typically range from 94–98% (sometimes cited as 92–97%), which is significantly higher than the approximately 21% oxygen found in normal atmospheric air.

By increasing oxygen intake while the heart rate is elevated through exercise, EWOT is designed to enhance oxygen delivery throughout the body, helping support cellular energy production, improve circulation, and promote recovery.

Key points to understand about EWOT include:

  • Exercise + oxygen: Physical movement is combined with concentrated oxygen to improve oxygen circulation.

  • Oxygen delivery system: Oxygen is delivered through a mask connected to an oxygen concentrator.

  • Higher oxygen levels: Oxygen concentrations are much higher than normal room air (≈21%).

  • Heart-driven circulation: Exercise increases heart rate, helping distribute oxygen-rich blood more efficiently.

  • Supportive goals: EWOT is used to support energy production, circulation, and recovery processes.

What this article covers:

Oxygen Delivery During Exercise

Once concentrated oxygen is inhaled during EWOT, exercise-driven circulation determines how that oxygen is distributed throughout the body.

Physical movement increases cardiac output, allowing oxygen-rich blood to move more efficiently through the vascular system and reach tissues with higher metabolic demands. This active circulation is what differentiates EWOT from passive oxygen therapies.

As blood flow increases, oxygen is delivered more effectively through both large vessels and smaller capillaries, improving tissue-level oxygen availability during movement.

According to educational resources from EWOT Energy, combining exercise with concentrated oxygen is designed to optimize oxygen distribution by using the heart and circulatory system during active movement.

Key mechanisms at work:

  • Increased cardiac output accelerates oxygen transport

  • Enhanced capillary circulation improves tissue saturation

  • Oxygen delivery is targeted to areas with higher metabolic demand

For more detail on these mechanisms, see the EWOT science overview from EWOT Energy.

Why Heart Rate Matters

Increasing heart rate is critical during EWOT because the heart functions as the primary pump that moves oxygen-rich blood throughout the body. As heart rate rises, blood is driven more forcefully to organs and tissues that are often under-oxygenated during rest.

These tissues typically receive enough oxygen to survive, but not enough to fully support higher metabolic activity.

Adequate oxygen delivery is required for tissues to engage their full energy cycles—processes necessary for cell turnover and regeneration.

By elevating heart rate through controlled exercise, EWOT helps push oxygenated blood into these areas, supporting the physiological conditions needed for ongoing tissue maintenance and repair.

Cellular Energy, Repair & Waste Removal

At the cellular level, oxygen plays a central role in supporting ATP (adenosine triphosphate) production, which is the primary process cells use to generate and manage usable energy. When oxygen availability is sufficient, cells can generate energy more efficiently and sustain normal function.

Oxygen availability also supports the body’s natural process of programmed cell turnover, allowing older or damaged cells to be cleared and replaced as part of normal tissue maintenance.

When oxygen delivery is limited, tissue function can become stagnant. Cells may struggle to repair themselves, and metabolic waste products—such as toxins, carbon dioxide, and lactic acid—can accumulate within tissues. Improved oxygen availability supports detoxification and waste removal, helping restore healthier cellular conditions and overall tissue balance.

According to information from PhysMed Columbus, EWOT is used in rehabilitation and wellness settings to support oxygen delivery, cellular energy production, and metabolic waste clearance during active movement.

Potential Benefits of Exercise With Oxygen Therapy

The following benefits are described as potential or observed outcomes based on clinical use and wellness applications. Individual responses may vary.

Energy Production & Fatigue Support

Because oxygen is essential for efficient ATP (adenosine triphosphate) production, increased oxygen availability during EWOT may support faster and more efficient energy generation at the cellular level.

When oxygen supply is adequate, cells can produce energy with less metabolic strain, which may contribute to improved overall energy efficiency. Oxygen availability also supports apoptosis, the process by which inefficient or damaged cells are removed, allowing healthier cells to function more effectively.

Clinicians such as Dr. David Schiller have noted that EWOT is often used to support energy levels in individuals experiencing fatigue or reduced exercise tolerance, particularly when conventional activity feels overly taxing.

Wellness-focused providers also report that EWOT may be helpful for individuals dealing with intermittent fatigue, including post-exertion tiredness after physical events, demanding schedules, or disrupted sleep patterns.

As a result, EWOT is commonly explored as a supportive therapy for:

  • Chronic fatigue and chronic illness–related low energy
  • Age-related declines in stamina
  • Intermittent fatigue, including menstrual-cycle–related fatigue
  • Athletic training demands and post-exertion recovery

Circulation & Cardiovascular Support

Exercise With Oxygen Therapy may help support circulation by affecting how blood vessels respond during activity, including processes that allow vessels to relax and widen, which can promote smoother blood flow through the circulatory system.

As blood vessels relax and widen, blood can move more freely through the circulatory system, improving overall blood flow. During exercise, oxygen-rich blood is pushed through both large vessels and smaller capillaries, helping improve oxygen delivery at the tissue level.

Improved capillary blood flow may contribute to better circulation in the extremities and more efficient delivery of oxygen and nutrients to working tissues.

In some individuals, this enhanced circulation is associated with improved cardiovascular efficiency and may support healthier blood pressure responses, though results vary based on individual health status.

Enhanced nutrient and oxygen delivery can also support faster recovery from physical strain or injury by supplying tissues with the resources needed for repair.

Endurance, Performance & Recovery

By improving how efficiently oxygen is delivered and used during physical activity, EWOT may allow muscles to sustain effort for longer periods with less perceived fatigue.

When working muscles receive adequate oxygen support, they are better able to meet energy demands during exercise, which can contribute to improved endurance and performance capacity.

Increased oxygen availability during movement may also support shorter recovery times following exertion. As metabolic byproducts are cleared more efficiently, muscles may experience less lingering fatigue after activity.

For this reason, EWOT is commonly explored as a supportive tool for athletes looking to enhance training capacity, as well as rehabilitation patients who need to rebuild strength and stamina without excessive strain.

Detoxification & Inflammation Support

During physical activity, metabolic waste products such as lactic acid and carbon dioxide naturally accumulate within tissues. When these byproducts are not cleared efficiently, they can contribute to muscle soreness, fatigue, and inflammation.

Improved oxygen availability during EWOT may help accelerate the removal of these waste products by supporting more effective circulation and cellular metabolism.

As waste clearance improves, individuals may experience reduced muscle soreness, lower fatigue levels, and decreased inflammatory stress following activity.

Over time, improved detoxification may also help reduce overall toxin buildup, which is often associated with chronic inflammation and increased immune system strain.

Immune Function Support

Proper oxygen support contributes to immune system regulation by helping maintain the function of immune cells, including T lymphocytes and natural killer (NK) cells, which are involved in immune surveillance.

In clinical and wellness settings, EWOT has been observed as a supportive therapy that may help strengthen immune response when used consistently over time.

Some providers report that improvements in immune markers may be observed over a period of approximately eight weeks, though individual responses vary.

Enhanced immune efficiency may contribute to improved infection resistance and faster recovery, making EWOT a supportive consideration for individuals managing chronic infections or conditions associated with low immune function.

Who May Be a Good Candidate for EWOT

Exercise With Oxygen Therapy is used as a supportive, adjunctive approach in a variety of clinical and wellness settings.

Rather than targeting specific diagnoses in isolation, EWOT is often considered based on how an individual’s body responds to physical exertion, oxygen demand, and recovery stress.

The following groups represent common scenarios in which EWOT may be explored as part of a broader care plan.

Respiratory & Cardiovascular Conditions

People managing chronic breathing-related conditions, such as COPD, and other breathing-related disorders, may experience limitations in oxygen uptake and tolerance for physical activity.

When used under supervision, EWOT may help support oxygen saturation, lung capacity, and exercise tolerance, which can contribute to reduced sensations of shortness of breath during movement.

EWOT is also explored in individuals with cardiovascular concerns, such as hypertension or heart disease, where circulation efficiency plays a key role in physical performance and recovery. By supporting improved blood flow during controlled exercise, EWOT may help reduce overall cardiac workload and promote more efficient circulation.

In some cases, improved vascular response during activity is associated with healthier blood pressure regulation, though outcomes vary based on individual health status and medical oversight.

Fatigue, Pain & Autoimmune Conditions

EWOT is commonly considered by individuals managing chronic fatigue syndrome or persistent low-energy states, particularly when fatigue limits the ability to exercise effectively.

It may also be relevant in cases of acute fatigue, where short-term recovery is the primary goal, versus chronic fatigue, where longer-term support may be needed to gradually rebuild tolerance and stamina.

In people with autoimmune and chronic pain conditions, such as rheumatoid arthritis and fibromyalgia, EWOT is often explored as a supportive therapy alongside other treatments.

Improved oxygen availability during movement may help support reduced pain, lower inflammatory stress, and improved energy levels.

Some individuals also report benefits related to mental clarity, including a reduction in brain fog, which can be a common challenge in autoimmune and fatigue-related conditions.

Neurological Conditions

EWOT is sometimes explored as a supportive therapy for individuals with neurological conditions where circulation and oxygen delivery to nerve tissue may be compromised.

This may include neurological conditions like multiple sclerosis (MS) and different types of neuropathy, which can influence nerve health, movement, and physical stamina.

By supporting improved oxygen availability during controlled movement, EWOT may help enhance oxygen supply to nerve tissue and promote better blood flow to the extremities.

In clinical and wellness settings, this improved circulation is associated with potential benefits related to mobility, fatigue management, and cognitive function, particularly when EWOT is used alongside other therapies as part of a broader care plan.

Metabolic, Aging & Cognitive Health

EWOT may also be considered by individuals with metabolic concerns, including diabetes or insulin resistance, particularly when factors such as limited exercise tolerance or circulation challenges make physical activity more difficult.

By making physical activity feel more manageable, EWOT may support improved exercise tolerance and help promote healthier insulin sensitivity over time. These effects can play a role in reducing the risk of common complications, including neuropathy and poor circulation, when combined with appropriate medical care and lifestyle strategies.

Among older adults, EWOT is sometimes considered as a supportive approach for maintaining cognitive function and physical mobility as part of an active aging strategy. Improved oxygen delivery during movement may help enhance brain oxygenation, which is associated with better memory performance and cognitive function in some individuals.

Over time, this support may contribute to slower mental decline, improved physical mobility, and greater overall functional independence as part of an active aging approach.

Athletic Training & Recovery

EWOT is frequently explored by individuals looking to support training capacity and recovery without placing excessive strain on the body.

By supporting oxygen availability during movement, EWOT may allow some individuals to achieve higher performance with less perceived effort, particularly during sustained or high-intensity activity.

Potential applications in athletic and conditioning settings include:

  • Faster recovery following workouts or competitions
  • Reduced lactic acid buildup, which may contribute to less post-exercise soreness
  • Improved tolerance for repeated training sessions

EWOT is often considered by athletes involved in:

  • Endurance sports, such as cycling and running, where sustained oxygen demand is high
  • High heart-rate sports, including basketball, soccer, and swimming, which involve repeated bursts of intense activity

When used under supervision, EWOT may serve as a supportive tool alongside structured training and recovery programs.

Immune-Compromised & Specialized Conditions

EWOT is also explored in more specialized contexts where immune function or tissue healing may be compromised.

Individuals managing chronic infections or conditions associated with reduced immune efficiency, including HIV, may consider EWOT as a supportive approach aimed at reducing overall toxic load and promoting a more effective immune response.

In rehabilitation settings, EWOT has also been used as a supportive option for individuals with osteoradionecrosis, a condition involving tissue damage following radiation therapy.

In these cases, EWOT may help support:

  • Improved blood flow to irradiated tissue
  • Enhanced oxygen delivery to areas with reduced circulation
  • Tissue regeneration during post-radiation recovery

Compared to hyperbaric oxygen therapy (HBOT), EWOT sessions are significantly shorter—often around 15 minutes versus 90 minutes—and rely on the heart as the pump to actively move oxygen-rich blood through affected tissues during exercise.

Is EWOT Safe? Risks & Considerations

Exercise With Oxygen Therapy is generally used under medical or clinical supervision, particularly because it combines physical exertion with elevated oxygen intake.

Proper oversight ensures that the therapy is tailored to the individual’s health status, fitness level, and tolerance for exercise.

During EWOT sessions, continuous monitoring is typically used to track physiological responses such as heart rate and oxygen saturation.

This allows providers to make real-time adjustments to exercise intensity or session duration to help maintain safety and comfort throughout the session.

Signs of overexertion that may require adjustment include:

  • Dizziness or lightheadedness

  • Shortness of breath

  • Unusually elevated heart rate

If any of these symptoms occur, the session can be modified or paused to ensure the individual remains within a safe range.

It’s important to note that EWOT is not a replacement for medical treatment or prescribed care. Instead, it is commonly used as a supportive or adjunctive therapy alongside existing treatment plans.

Responses to EWOT can differ from person to person depending on health status, existing conditions, and how consistently the therapy is used, which is why individualized assessment and ongoing supervision are emphasized.

What to Expect During an EWOT Session

An EWOT session follows a guided, individualized format with ongoing oversight to support both safety and effectiveness.

While the experience is generally straightforward, each session is tailored to the individual’s health status, fitness level, and goals.

Initial Assessment

Prior to beginning EWOT, an initial assessment is conducted to determine whether the therapy is appropriate and how it should be customized. This process typically includes:

  • A review of medical history, including current conditions and medications
  • Condition-specific testing, which may involve:
    • Cardiac assessments for individuals with cardiovascular concerns
    • Lung function tests for those with respiratory conditions
  • Candidate screening to ensure EWOT is a suitable option

This assessment helps establish a baseline and informs how the session will be customized.

Session Structure & Monitoring

During an EWOT session, exercise is performed while oxygen intake and physical response are continuously observed.

The focus is to maintain oxygen saturation levels close to 99% while keeping the individual within a safe and effective exertion range.

Monitoring commonly includes:

  • Heart rate tracking to maintain a therapeutic heart-rate zone
  • Oxygen saturation sensors to ensure adequate oxygen delivery
  • Calorie tracking, which can help gauge effort and energy expenditure

This real-time monitoring allows providers to maintain balance between effectiveness and safety throughout the session.

Adjustments & Progression

EWOT is not a one-size-fits-all approach. Sessions are adjusted over time to reflect changes in fitness, tolerance, and goals.

Customization may include:

  • Session duration adjustments, starting shorter and progressing as tolerated
  • Frequency changes based on recovery and response
  • Consideration of fitness level differences, such as:
    • Higher-intensity needs for athletes
    • Lower-intensity, gradual progression for older adults
  • Goal-based progression, whether focused on performance, recovery, or general wellness

This adaptive approach helps ensure that EWOT remains appropriate and effective as the individual progresses.

EWOT as Part of a Comprehensive Treatment Plan

Exercise With Oxygen Therapy is most often used as a supportive component within a broader, individualized care strategy rather than as a standalone solution.

Its value is typically greatest when integrated with other therapies that address structural, functional, and metabolic aspects of health.

EWOT is commonly incorporated alongside:

  • Chiropractic care, where improved circulation and oxygen support may complement joint mobility and nervous system function
  • Physical therapy, helping individuals engage in movement and rehabilitation with greater tolerance and recovery support
  • Functional medicine, where addressing oxygen utilization, inflammation, and metabolic stress aligns with whole-body treatment goals

This holistic approach allows care providers to address multiple contributing factors at once, rather than focusing on isolated symptoms.

By supporting movement under controlled conditions, EWOT may help address:

  • Inflammation, by improving circulation and recovery capacity
  • Poor circulation, particularly during physical activity
  • Fitness limitations, especially in individuals who struggle with traditional exercise

When used as part of a comprehensive plan, EWOT supports a root-cause–focused strategy, helping individuals build capacity, resilience, and functional improvement over time while remaining aligned with their broader health goals.

Progress Tracking & Outcomes

Tracking progress is an important part of using EWOT effectively, as it helps ensure the therapy remains aligned with an individual’s goals, tolerance, and overall response. Rather than relying on a single outcome, progress is typically evaluated using a combination of symptom-based feedback and objective fitness markers.

Common symptom benchmarks may include:

  • Pain reduction, particularly following activity or rehabilitation sessions
  • Improvements in mobility, endurance, or ease of movement during daily tasks

In addition to subjective improvements, providers often monitor fitness-related markers to assess physiological response over time, such as:

  • Heart rate patterns, including recovery and exertion response
  • Oxygen saturation levels during activity
  • Exercise tolerance, such as the ability to sustain activity with less fatigue

Based on these observations, EWOT programs are adjusted through dynamic plan updates. Session intensity, duration, or frequency may be modified to reflect progress or address plateaus.

This process of continuous reassessment helps ensure the therapy remains appropriate, safe, and responsive to the individual’s evolving needs.

Exercise With Oxygen Therapy (EWOT): Frequently Asked Questions

Exercise With Oxygen Therapy (EWOT) is described as a supervised approach that combines physical exercise with breathing concentrated oxygen.

Unlike passive oxygen therapy, where oxygen is inhaled while resting, EWOT incorporates movement to help circulate oxygen-rich blood more actively throughout the body.

The exercise component is a key distinction, as it uses the heart and circulatory system to support oxygen delivery during activity rather than at rest.

EWOT is typically performed under medical or clinical supervision, with continuous monitoring of heart rate and oxygen saturation during sessions.

This allows providers to adjust intensity or duration in real time based on individual response.

As with any form of exercise-based therapy, safety depends on proper screening, monitoring, and individualized programming, which is why supervision is emphasized.

EWOT and hyperbaric oxygen therapy (HBOT) both involve increased oxygen exposure, but they differ in how oxygen is delivered.

HBOT takes place in a pressurized chamber while the individual remains at rest, whereas EWOT combines oxygen intake with exercise in a non-pressurized environment.

EWOT sessions are typically shorter and rely on physical movement and heart rate to support oxygen circulation.

The two approaches are often discussed as different options rather than direct replacements for one another.

EWOT is commonly explored by individuals who are able to engage in light to moderate exercise and are seeking additional support for energy levels, circulation, or recovery as part of a broader care plan.

Suitability is determined through an initial evaluation that reviews medical history, current health status, and individual goals. Because responses vary, candidacy is assessed on a case-by-case basis under professional guidance.

EWOT may not be appropriate for everyone.

Individuals with certain medical conditions, uncontrolled cardiovascular issues, or those who are unable to safely tolerate exercise may be advised to avoid EWOT or require additional medical clearance.

This is why screening and supervision are essential, and why EWOT is not considered a replacement for medical treatment or physician-directed care.

An EWOT session is typically relatively short, especially compared to other oxygen-based therapies.

Sessions often include a brief setup period followed by a short exercise phase, with total time varying based on individual needs, goals, and tolerance.

Session length is determined during the initial evaluation and may be adjusted over time.

The recommended frequency of EWOT sessions can vary depending on the individual’s health status, fitness level, and goals.

Some people may use EWOT as part of a short-term support plan, while others incorporate it more regularly into their routine.

Frequency is typically discussed during the initial assessment and adjusted based on response and progress.

An EWOT session generally feels similar to light to moderate exercise, with the added sensation of breathing oxygen through a mask.

Most individuals describe the experience as manageable and structured, with intensity guided by continuous monitoring.

Because sessions are supervised, adjustments can be made if discomfort or fatigue arises.

Preparation for an EWOT session is usually minimal. Individuals are typically advised to arrive hydrated and dressed appropriately for light exercise.

Any specific preparation guidelines are provided during the initial evaluation to ensure comfort and safety during the session.

Comfortable, exercise-appropriate clothing is recommended for EWOT sessions.

This typically includes items such as athletic shoes and breathable clothing that allow for easy movement.

Because EWOT involves physical activity, dressing as you would for a light workout is generally advised.

The timeline for noticing changes with EWOT can vary from person to person.

Some individuals report subtle changes, such as improved tolerance for activity, earlier than others, while for many people EWOT is used as part of a longer-term supportive approach.

Factors such as overall health, consistency, and the reason EWOT is being used all influence how quickly changes may be noticed.

There is no single number of EWOT sessions that applies to everyone.

Recommendations are usually based on individual goals, response to sessions, and overall health status.

Some individuals may use EWOT for a short period, while others incorporate it more consistently as part of an ongoing care or wellness plan.

Session recommendations are typically discussed and adjusted over time.

EWOT is generally used as a supportive therapy, meaning outcomes are influenced by consistency and how it is integrated with other aspects of care, such as exercise, rehabilitation, or lifestyle changes.

Some individuals notice benefits that are most apparent during periods of regular use, while others incorporate EWOT as part of a broader, ongoing routine. Individual responses and sustainability vary.

When changes are noticed, they often relate to exercise tolerance or recovery, such as feeling more comfortable during physical activity or experiencing less fatigue afterward.

Because EWOT affects people differently, early observations can vary, and not everyone will notice the same changes at the same pace.

EWOT is not positioned as a replacement for traditional cardiovascular exercise.

Instead, it is often used as a supportive option for individuals who may struggle with exercise tolerance or recovery.

By combining movement with oxygen support under supervision, EWOT may help some individuals engage in physical activity more comfortably.

Traditional exercise remains an important part of overall health, and EWOT is typically considered an adjunct rather than a substitute.

EWOT and hyperbaric oxygen therapy (HBOT) differ in both delivery and experience.

HBOT delivers oxygen in a sealed environment while resting, whereas EWOT combines oxygen intake with exercise in a non-pressurized setting.

EWOT sessions are generally shorter and rely on movement and heart rate to support oxygen circulation.

The two approaches are often discussed as different methods with different use cases, rather than direct alternatives.

EWOT is frequently integrated into a wider treatment approach, where it may complement services like chiropractic care or physical therapy.

In these settings, EWOT may help support tolerance for movement and recovery during rehabilitation or corrective exercise.

Integration is typically guided by the provider overseeing care to ensure therapies complement one another appropriately.

Unlike resting oxygen use, EWOT incorporates active movement, which plays a role in how oxygen is circulated throughout the body.

The exercise component allows the heart and circulatory system to distribute oxygen during activity, rather than passively at rest.

This distinction is why EWOT is often discussed separately from passive oxygen approaches.

Coverage for EWOT can vary depending on the individual’s insurance plan and the context in which the service is provided.

In many cases, EWOT is considered a supportive or wellness-based therapy, which may not be covered by insurance.

Coverage questions are best discussed directly with the provider during an initial evaluation or consultation.

The cost of EWOT sessions can vary based on factors such as session length, frequency, and how the therapy is incorporated into a broader care plan.

Because EWOT programs are individualized, pricing details are usually discussed after an initial assessment to ensure recommendations align with the individual’s needs and goals.

Yes, an initial consultation or evaluation is typically recommended before beginning EWOT.

This allows the provider to review medical history, assess suitability, and determine how EWOT should be structured.

The consultation helps ensure that the therapy is appropriate, safe, and aligned with the individual’s overall care plan.

EWOT is often introduced gradually, and long-term commitment is not always required to begin.

Some individuals explore EWOT for short-term support, while others choose to incorporate it more regularly over time.

Decisions about ongoing use are typically based on individual response, goals, and provider recommendations.

Yes, EWOT programs are generally flexible and adjustable.

Because sessions are monitored and individualized, providers can modify frequency, intensity, or discontinue EWOT if it does not align with the individual’s comfort level or goals.

This adaptability helps ensure the therapy remains appropriate throughout the course of care.

Schedule Your EWOT Evaluation

Getting started with Exercise With Oxygen Therapy begins with a personalized evaluation to ensure the approach is appropriate for your goals and health status.

The initial evaluation with Dr. Wilson typically takes about 30 minutes and includes a review of your health history, current concerns, and suitability for EWOT. If appropriate, the EWOT treatment session itself lasts approximately 15 minutes.

To ensure comfort and safety during your session, it’s recommended that you:

  • Wear a T-shirt, shorts, and athletic shoes
  • Plan to hydrate after the session, as sweating is common
  • Bring a water bottle and a small towel

EWOT sessions are structured, supervised, and adjusted based on individual response, making the initial evaluation an important first step.

You can view availability and schedule your EWOT evaluation online using the clinic’s scheduling system at your convenience.