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The Human Upgrade with Dave Asprey

The End of Cardio? Burn Fat & Boost VO₂ Max in Just 8 Minutes a Week – with REHIT | Ulrich Dempfle : 1275

Apr 25, 2025
Ulrich Dempfle, a German-trained engineer and co-founder of CAROL Bike, introduces a revolutionary workout method called REHIT. This new approach dismantles outdated cardio advice, promoting short, 8-minute sessions that significantly improve VO₂ max and reduce diabetes risk. Dempfle discusses how REHIT outperforms traditional jogging, offers enormous fitness gains, and even benefits perimenopausal women. He also shares insights on personalizing workouts with AI, emphasizing the importance of fun and adherence for lasting fitness results.
01:06:22
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Episode guests

Ulrich Dempfle

Podcast summary created with Snipd AI

Quick takeaways

  • REHIT significantly boosts cardiovascular health by achieving a 12% increase in VO₂ max in just 8 minutes weekly.
  • This training method reduces the risk of metabolic diseases, showing a 62% decrease in diabetes risk compared to traditional cardio.

Deep dives

Brief Overview of Re-HIT Training

Re-HIT training minimizes workout time while maximizing cardiovascular benefits, making it a suitable option for those with limited time for exercise. Even as little as 15 minutes of intense interval training can yield substantial improvements in health metrics, comparable to traditional methods requiring much longer durations. For instance, studies show that Re-HIT can achieve a 12% improvement in VO2 max in just eight weeks, contrasting sharply with the slower gains from consistent jogging, which can yield only around a 2% improvement with significantly greater time investment. This efficiency in achieving fitness outcomes makes Re-HIT an exciting and practical alternative for people looking to enhance their health without dedicating excessive hours to exercise.

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