Fitness
CO₂ Tolerance Breathwork
CO₂ tolerance breathwork builds comfort with higher carbon dioxide through controlled holds and reduced volume. Practice safely on land with slow progression.
CO₂ tolerance breathwork uses controlled breath holds and reduced breathing volume to raise comfort with higher carbon dioxide—helpful for calm under load and some endurance drills. Practice on land, never in water unsupervised, and stop if dizzy.
Progress from short post-exhale holds after normal breathing.
Common questions
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Is CO₂ tolerance breathwork dangerous?
Land-based short holds after normal exhale are low risk for healthy adults. Avoid water, driving, and maximal holds; dizziness means stop and shorten.
Related terms
Put CO₂ Tolerance Breathwork into practice
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