iCRYO Mauldin · Blog · Services

Hyperbaric Chamber vs. Supplemental Oxygen: What's the Difference?

iCRYO Mauldin · 2026-10-20

Photo of a guest standing beside the Vitaeris 320 chamber at iCRYO Mauldin in Mauldin, South Carolina.

If oxygen is good for you, why not just breathe it from a mask? Or visit an oxygen bar?

It's a great question, and the answer comes down to one word: pressure. Here's how a hyperbaric chamber differs from other ways of getting oxygen.

Quick answer: Supplemental oxygen (a mask, cannula or oxygen bar) increases the oxygen you breathe at normal pressure. A hyperbaric chamber also increases the surrounding pressure, which helps more oxygen dissolve directly into your blood plasma and reach your tissues.

New to HBOT? Start with What Is Hyperbaric Oxygen Therapy?

How Oxygen Normally Travels in Your Body

Most of the oxygen in your blood is carried by hemoglobin in red blood cells. In healthy people at rest, hemoglobin is already nearly full.

That's why simply breathing more oxygen at normal pressure has limits for healthy people: there's only so much room on the "bus."

What Pressure Changes

Here's the science in plain English: under higher pressure, more gas dissolves into liquid. (Think about a sealed soda bottle.)

In a hyperbaric chamber, increased pressure helps extra oxygen dissolve directly into your plasma, the liquid part of your blood, in addition to what hemoglobin carries.

Side-by-Side Comparison

Hyperbaric Chamber Oxygen Mask / Cannula Oxygen Bar
Increases pressure Yes No No
Increases dissolved oxygen in plasma Yes Limited Minimal
Typical use Recovery, wellness, medical HBOT Medical conditions, prescribed Recreational
Session length Often about 60 minutes Varies A few minutes
Supervision Trained staff Medical prescription Usually none

When Supplemental Oxygen Makes Sense

Prescribed oxygen is essential for people with certain lung and heart conditions. That's a medical decision made by your doctor.

When Oxygen Bars Make Sense

Oxygen bars are a fun, short experience, but they don't create the pressure that makes hyperbaric therapy different.

When Hyperbaric Therapy Makes Sense

Consider HBOT if you want:

  • Recovery support after training or hard efforts
  • A structured wellness routine
  • To experience more oxygen reaching your tissues

See Hyperbaric Oxygen Benefits.

Mild vs. High-Pressure Chambers

The OxyHealth Vitaeris 320 at iCRYO Mauldin is a soft-shell, mild hyperbaric chamber that operates at about 1.3 ATA. Hospital chambers used for medical conditions run at higher pressures. Read What Is Mild Hyperbaric Oxygen Therapy?.

Want to experience the difference?

Hyperbaric Oxygen in Mauldin, SC

iCRYO Mauldin is at 100 N Main St STE. B, Mauldin, SC 29662, on North Main Street with free on-site parking. We welcome clients from Simpsonville, Greenville, Fountain Inn, Five Forks, Taylors and Greer.

Questions? Call (864) 478-7429.

Frequently Asked Questions

Is a hyperbaric chamber better than an oxygen mask?

They do different things. A mask increases the oxygen you breathe at normal pressure. A hyperbaric chamber adds pressure, which helps more oxygen dissolve into your blood plasma.

Do oxygen bars work like hyperbaric therapy?

No. Oxygen bars deliver slightly enriched air at normal pressure for a short time. They don't create the pressure that makes hyperbaric therapy different.

Why does pressure matter for oxygen?

Under higher pressure, more gas dissolves into liquid. In HBOT, that means more oxygen dissolves directly into your blood plasma.

Can I use supplemental oxygen at home instead?

Medical oxygen at home requires a prescription and serves different purposes. Talk with your doctor about your needs.

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