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Reykjavík · Supervised cold exposure

Cold exposure
with a cardiologist
in the room,
not a camera.

A Reykjavík clinic running medically supervised cold-exposure programs for inflammation and mood — screened, written down to the degree, and tracked on a dashboard. None of the influencer chest-beating.

Pale blue-grey fog over still water at dawn in Reykjavík
Still water · 12 °C Reykjavík, IS

Not a dare

Not the cold, but the measurement. We treat cold as a clinical tool — a temperature, a timer, a supervisor on the deck — and we record what it does to your body so the benefit is something you can read on a chart rather than feel in a video.

How it works

  1. 01

    Screen first

    A health questionnaire and a cardiac screen with our partnering cardiologist. No clearance, no water.

  2. 02

    Adapt over eight weeks

    Written temperatures and durations, a supervisor on the deck for every session. Nothing improvised.

  3. 03

    Watch the numbers move

    Resting heart rate, HRV, and perceived recovery, plotted on your own dashboard, week by week.

The 8-week protocol

Eight weeks, plotted by temperature and time.

See the full protocol

Week 1

12°c

0:30 min

Week 2

11°c

1:00 min

Week 3

10°c

1:30 min

Week 4

9°c

2:00 min

Week 5

8°c

2:30 min

Week 6

7°c

3:00 min

Week 7

6°c

3:30 min

Week 8

5°c

4:00 min

The evidence, briefly

What the studies actually say — including where they are thin.

Read all 12 summaries
Fog dissolving into still water

Your adaptation data

Your trend line,
not a testimonial.

Resting heart rate, HRV, perceived recovery — you watch your own numbers move, week by week.

See a sample dashboard

Client outcomes

“I came for the inflammation claims and stayed for the screening. Nobody had ever checked my heart before letting me near cold water.”
Margret L. Completed the 8-week protocol; resting heart rate trended down four beats over the program.
“No chest-beating, no leaderboard. Just a temperature, a timer, and a supervisor watching my response.”
Bjorn S. Endurance runner; HRV trend rose steadily across weeks five through eight.
“They told me plainly which weeks my numbers stalled, and why that was fine. It felt like a clinic, not a class.”
Elin T. Managing chronic inflammation; perceived recovery score climbed from 5 to 8 over eight weeks.