built on science, shaped for you

At YDUN, a protocol is is something that is built on you.
We start from a clear method grounded in physiology and long-term health outcomes. That method passes through you: your data, your capacity, your constraints, and becomes a protocol designed specifically for how your body adapts over time. Nothing is generic. Nothing is left to chance.

WHAT WE DO
We assess first, then build the protocol around you.
Strength is trained through heavy, controlled loading using machines you won’t find elsewhere.
VO₂max, sauna, and cold exposure are integrated only when they support strength.
Every session is supervised by prepared Personal Trainers. Nothing is left to chance.

HOW WE DO IT
We train what predicts long-term health: strength, power, and capacity.
Protocols are adjusted based on response, not on a fixed schedule.
Load, volume, and recovery are continuously optimized.
Progress is measured, not guessed.

WHY WE DO IT
Strength is the strongest physical predictor of quality of life.
Low strength is associated with roughly 2× higher mortality risk, independent of age or weight.
Muscle mass without strength offers limited protection.
Strength is the signal. Everything else supports it.

BENEFITS
Fewer than 20% of adults train strength effectively.
Every 5 kg drop in grip strength increases mortality risk by ~15–20%.
Heavy loading is required to improve strength. There is no alternative.
Our machines and supervision make this precise, safe, and personal.

ADAPTATION OVER TIME
You come in. We measure. We adjust.
Each session adds data and increases precision.
The longer you train with us, the better the protocol fits you.
The better the data, the better you get.