Master CO₂ Tolerance for More Powerful Altitude Performance

Climber on a snowy mountain, illustrating CO₂ tolerance and endurance at high altitude

CO₂: The ‘Waste’ Gas That’s Not Wasteful At All → It’s Actually Fuel for More Endurance By Anthony Lorubbio, founder and head coach at Recal Carbon dioxide is often misunderstood. When most people think of carbon dioxide (CO₂), they may picture […]

Read More