Absorbing An Hour's Worth of Extra Oxygen

What it was like to undergo hyperbaric oxygen therapy (or HBOT, for short)
Published: 25 November 2025
hyperbaric oxygen therapy
(LEVIS PELUSI VIA UNSPLASH)

O2 is great. Not only is it essential to casually keeping us alive, it plays a starring role in our many physiological functions. On a cellular level, oxygen reinforces the oxidative burst used by immune cells to destroy pathogens; like a literal XP boost.

It aids the repair of damaged cells, and promotes the formation of new blood vessels, as well as collagen synthesis for tissue regeneration. It is clinically utilised to treat wounds and accelerate recovery post-surgery or from respiratory/viral conditions. O2-rich environments link to reducing fatigue, clearer cognition and even enhancing sleep quality.

So will sitting in a container of 100 per cent oxygen prove this?

Chambers come in a variety of styles. A transparent, full-sized tube resembling decontamination tanks in sci-fi flicks. A seat enclosed in a sphere like ejection pods from the mothership. You get the pattern. The one here is not too different when you see it plugged up to the accompanying work dock. With its reflective white exterior, the oblong unit is opaque except for its sliding door.

Then it’s shoes off and crouch to enter. The warmer tones of the inside make for a more comfortable environment to pass the hour. Introverts will probably enjoy the sense of being tucked away in a personal cocoon hidden from the world. While the space is roughly the size of a Business Class cabin on decent airlines, the seat doesn’t allow a full recline. Though users are provided an additional chair to prop their legs on should they prefer. 

(YONG KANG TCM)

The door closes and a soft hiss signals the start of the gradual rise in pressure. I then try not to think about how I was told that the door has no locking mechanism, but is unable to instantly open due to the difference in pressure once the process begins. Or the fire blanket that’s there as precaution. Or how there is an emergency release for people who are claustrophobic. 

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Instead, I ease in and take a deep inhale of the concentrated oxygen around.

Intermittent yawns are automatic to pop the ears as the temperature drops and pressure rises. It’s akin to being on a plane. The oxygen-dense air has no particular scent and I wouldn’t go so far as to describe it as crisp. “Clean” would be a closer sentiment. 

We can use devices during the session, but I wanted to attempt this phenomenon called Being In The Moment. Some people nap, but despite the gentle background hum of machinery and my keen readiness for a quick afternoon shut-eye, my mind felt too awake to. It’s difficult to measure memory or sleep improvements from one sitting. Especially when I don’t personally suffer from related ailments, and cannot perceive any obvious change stepping out.

Yet, HBOT is likely the most un-invasive solution that works naturally from the inside-out. Even nutrition requires following a dietary plan of sorts. So if all science-backed benefits can be attained this effortlessly, with a tech-focused combination of Western and Eastern healing practice available at the facility, it is certainly a breath of fresh air (unforgivable pun but it had to be done).

Yong Kang TCM is located at Suntec City Mall #02-319/320, Singapore 038983.

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