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What Is HBOT and How Does It Work?

24 Aug 2026

What Is HBOT and How Does It Work?

What Is HBOT and How Does It Work?

Wondering what is HBOT? Hyperbaric Oxygen Therapy (HBOT) is a treatment that increases the amount of oxygen your blood can carry by having you breathe oxygen inside a pressurised chamber. At Hice HQ, the chamber raises air pressure above normal atmospheric levels, allowing oxygen to dissolve directly into your blood plasma, not just your red blood cells, reaching tissue that’s harder for oxygen to reach normally.

This flood of oxygen kickstarts your body’s natural repair processes: it supports new blood vessel growth, reduces inflammation, and speeds up recovery at a cellular level. That’s why HBOT has become a go-to recovery tool for athletes and anyone looking to bounce back faster from training, injury, or fatigue.

In short: more pressure → more oxygen in your blood → faster healing and recovery.

The Science Behind the Pressure

Under normal conditions, most of the oxygen your body uses is carried by red blood cells, which can only hold so much. When you step into a hyperbaric chamber, the increased atmospheric pressure changes the equation entirely. Oxygen becomes far more soluble in your blood plasma, the liquid part of your blood, meaning it can travel to places red blood cells struggle to reach, like tight capillaries, damaged tissue, or areas with restricted blood flow.

Some sessions increase oxygen levels in the blood by several times what you’d get simply breathing normal air. That surge doesn’t just pass through, it triggers a cascade of repair mechanisms. New blood vessels begin to form in oxygen-starved tissue, a process called angiogenesis. Inflammatory markers drop. Stem cell activity increases. Collagen production is supported. All of this adds up to your body being better equipped to repair itself, whether that’s healing a wound, easing muscle soreness, or simply recovering from the everyday wear of training hard.

What Actually Happens During a Session

So what is HBOT? If you’ve never tried HBOT before, the process itself is simple and passive, there’s no effort required on your part. You’ll lie or sit comfortably inside the chamber as the pressure gradually increases, similar to the sensation of a plane taking off or descending. Some people notice a slight popping or fullness in their ears as the pressure changes, which usually resolves quickly with a swallow or yawn.

Once the chamber reaches its target pressure, you simply relax and breathe normally for the remainder of the session. Many people use the time to rest, listen to music, or just switch off, it’s as much a moment of recovery for the mind as it is for the body.

Why People Are Turning to HBOT

While hyperbaric chambers have long been used in clinical settings for serious medical conditions, a growing number of people are now using milder forms of the therapy for everyday recovery and performance goals. At Hice HQ, members use HBOT as part of a broader recovery routine, often alongside sauna and contrast therapy, to:

Is HBOT Right for You?

Searching what is HBOT? HBOT is generally well tolerated, with side effects like ear discomfort being the most common and typically minor. That said, it’s not the right fit for everyone, and if you have an underlying health condition — particularly anything related to your lungs, ears, or cardiovascular system — it’s worth having a quick chat with a doctor before your first session.

The Hice HQ Takeaway

At its core, HBOT is a simple concept with powerful effects: increase the pressure, increase the oxygen, and let your body do what it already knows how to do — heal, repair, and recover, just faster and more effectively. Whether you’re an athlete chasing quicker turnarounds between sessions or simply someone looking to feel better day to day, HBOT is one of the most accessible recovery tools available at Hice HQ.

Why People Are Turning to HBOT

While hyperbaric chambers have long been used in clinical settings for serious medical conditions, a growing number of people are now using milder forms of the therapy for everyday recovery and performance goals. At Hice HQ, members use HBOT as part of a broader recovery routine, often alongside sauna and contrast therapy, to:

  • Speed up recovery after intense training sessions
  • Reduce inflammation and general muscle fatigue
  • Support tissue repair following injury
  • Improve energy and focus, thanks to better cellular oxygenation
  • Boost overall resilience, especially for those training frequently

Is HBOT Right for You?

Searching what is HBOT? HBOT is generally well tolerated, with side effects like ear discomfort being the most common and typically minor. That said, it’s not the right fit for everyone, and if you have an underlying health condition — particularly anything related to your lungs, ears, or cardiovascular system — it’s worth having a quick chat with a doctor before your first session.

The Hice HQ Takeaway

At its core, HBOT is a simple concept with powerful effects: increase the pressure, increase the oxygen, and let your body do what it already knows how to do — heal, repair, and recover, just faster and more effectively. Whether you’re an athlete chasing quicker turnarounds sessions or simply someone looking to feel better day to day, HBOT is one of the most accessible recovery tools available at Hice HQ.

Benefits of Contrast Therapy

Muscle Recovery & Reduced Soreness

Cold water immersion has been shown to significantly reduce delayed onset muscle soreness (DOMS) and improve post-exercise recovery.

Bleakley et al., 2012; Hohenauer et al., 2015

Improved Circulation & Vascular Function

Alternating between hot and cold enhances blood flow.

Wilcock et al., 2006

Reduced Inflammation

Research suggests cold exposure may reduce inflammatory markers and tissue swelling following intense physical activity.

Leeder et al., 2012

Cardiovascular Health Support

Regular sauna bathing has been associated with improved cardiovascular function and reduced risk of cardiovascular-related mortality.

Laukkanen et al., 2015

Mental Wellness & Stress Resilience

Cold exposure has been linked to improved mood. Sauna use has also been associated with reduced stress and enhanced psychological wellbeing.

Hirvonen et al., 2002; Laukkanen et al., 2018

Improved Sleep Quality

Passive heat exposure has been shown to support relaxation and improved sleep onset, contributing to overall wellbeing.

Haghayegh et al., 2019

Benefits of Hyperbaric Oxygen Therapy

Post-Stroke Recovery

Improved memory and brain activity. Studies have shown significant improvements in cognition, neurological function, and quality of life, even years after stroke. In a study of 162 chronic stroke patients, 86% achieved clinically significant cognitive improvement, with measurable gains across all cognitive domains and increased brain activity observed on imaging scans.

Efrati et al., 2013; Hadanny et al., 2020

Athletic Recovery

Supports and accelerates recovery by increasing oxygen delivery to tissues, helping reduce inflammation, muscle fatigue, and recovery time.

Ishii et al., 2005

Orthopaedics

Associated with improved healing rates, reduced swelling, and enhanced tissue repair following orthopaedic injuries and procedures.

Camporesi et al., 2010

Brain Injury / Concussion / TBI

HBOT was associated with significant improvements across all cognitive domains, including:

  • Memory: +8.1%
  • Attention: +6.8%
  • Significant improvements in quality of life and brain blood flow.
Boussi-Gross et al., 2013; Hadanny et al., 2018

ME / Chronic Fatigue Syndrome

Studies reported significant reductions in fatigue severity and improvements in quality of life after HBOT treatment, with benefits observed after as little as 15 sessions.

Akarsu et al., 2013

Crohn's Disease

Approximately 78% of patients showed clinical improvement, with reductions in inflammation, symptom severity, and disease activity.

Dulai et al., 2014

Long COVID

Patients demonstrated significant improvements in:

  • Fatigue
  • Sleep quality
  • Pain
  • Cognitive performance
  • Psychiatric symptoms

Benefits were maintained for up to 12 months following treatment.

Zilberman-Itskovich et al., 2022

General Wellness & Recovery

HBOT can increase oxygen dissolved within blood plasma by up to 20 times normal levels, helping support healing, recovery, circulation, and cellular repair.

Gill & Bell, 2004