Siim Land: The Exercise That Made Hearts 20 Years Younger
Peer-Reviewed Research
Key Takeaways
- 4×4 Norwegian protocol: Perform high-intensity interval training (4 rounds of 4-minute intense bursts with 3-minute recovery) to improve heart function and reduce arterial stiffness.
- Exercise frequency: Commit to structured exercise training for at least two years to see significant improvements in VO2 max, stroke volume, and arterial compliance.
- Target audience: Sedentary middle-aged individuals (50s+) benefit most from this protocol to reverse age-related heart decline.
Notable Quotes
“Scientists have discovered a workout that can make your heart up to 20 years younger.”
Bottom Line
Start incorporating the 4×4 Norwegian protocol or similar HIIT workouts 2-3x weekly to rejuvenate heart function and combat age-related cardiovascular decline.
Explore More
- Siim Land’s Full Protocol — supplements, dosages, and daily routine
- Compare All Protocols — side-by-side protocols
Watch the Full Video
Medical Disclaimer
This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.
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