Ben Greenfield: Why You Need FAR Less Carbs Than You Think Especially During Exercise & Ketones As An Alternate Fuel
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Peer-Reviewed Research
Peer-Reviewed Research
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Ben Greenfield
Video Summary · February 21, 2026
Key Takeaways
- Reduce carb intake during exercise, as most people consume far more carbs than needed.
- Incorporate ketones as an alternate fuel source to improve endurance and metabolic flexibility.
- Gradually adapt to a lower-carb diet to enhance fat utilization for energy.
Bottom Line
Lower your carb intake during exercise and explore ketones as an alternate fuel source to optimize performance and metabolic health.
Explore More
- Ben Greenfield’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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