Program
Free baseline
CO₂ Capacity Builder
Score-matched box breathing builds calm control as CO₂ rises, while coherence breathing keeps each exposure steady and recoverable.Why this program works →
Phase 1
6 min
Coherence / Box Breathing / Coherence
0 / 10 sessions
Take the free CO₂ baseline first. Sign in after the result to save it, unlock your profile, and start the matched training block.