FREE 'Foundation of Breathing' on ProBreathwork App (available on iPhone & Android) - [ Ссылка ]
Get the ProBreathwork APP - [ Ссылка ]
Want to become a Certified Oxygen Advantage coach? Get certified with me - [ Ссылка ]
Get 20% off Ketones IQ at www.hvmn.com/JACKO
Follow on Instagram - www.instagram.com/jacko.david.jackson
Want to test to see what your own CO2 tolerance is like? Watch the video below on how to measure your BOLT score...
How to measure your BOLT score - [ Ссылка ]
Read this BBC interview for more about my professional rugby career and how it ended with a TBI (Traumatic Brain Injury) in 2013 - [ Ссылка ]
Got any specific questions for me? Email me at david.jackson@oxygenadvantage.com
