Lung health
Belly Breathing
Re-train chest breathers to use the diaphragm.
Free 21-day plan
21-Day Lung Capacity
Three weeks of progressive training to expand vital lung capacity.
21 dayshealthfree on web
Daily sessions
Calm
Box Breathing — 3 min
The military-tested calmer. Equal-count beats anxiety in any environment.
Focus
Box — 4 Minute Deep
A standard 4-minute box.
Performance
CO₂ Tolerance — Level 1
Train your body to tolerate higher CO₂. Better endurance follows.
Performance
Lung Capacity Builder
Strengthen the diaphragm. Expand maximum vital capacity over weeks.
Focus
Tactical Box (Navy SEAL)
The protocol used in special operations training to stay calm under pressure.
Performance
CO₂ Tolerance — Level 2
A harder progression on CO₂ tolerance.
Performance
Breath Hold Builder
A WHM variation tuned for max retention progress.
Performance
Lung Capacity Builder
Strengthen the diaphragm. Expand maximum vital capacity over weeks.
Performance
CO₂ Tolerance — Level 1
Train your body to tolerate higher CO₂. Better endurance follows.
Performance
CO₂ Tolerance — Level 2
A harder progression on CO₂ tolerance.
Performance
Breath Hold Builder
A WHM variation tuned for max retention progress.
Performance
Lung Capacity Builder
Strengthen the diaphragm. Expand maximum vital capacity over weeks.
Focus
Tactical Box (Navy SEAL)
The protocol used in special operations training to stay calm under pressure.
Focus
Long Box — 12 min
A long, demanding box session for deep states.
Performance
Breath Hold Builder
A WHM variation tuned for max retention progress.
Performance
CO₂ Tolerance — Level 2
A harder progression on CO₂ tolerance.
Performance
Lung Capacity Builder
Strengthen the diaphragm. Expand maximum vital capacity over weeks.
Energy
Wim Hof — 3 Rounds
The full Wim Hof method — 3 rounds, max retention.
Energy
Wim Hof — 4 Rounds
A longer WHM journey. Don't do this near water.
Performance
Breath Hold Builder
A WHM variation tuned for max retention progress.