Jason Fung: Whole versus blended fruits

ByLongevity Notes Editorial
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Peer-Reviewed Research
J
Jason Fung

Video Summary · January 16, 2026

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Key Takeaways

  • Eat whole fruits instead of blended, juiced, or cooked versions to avoid rapid glucose spikes and insulin release.
  • Avoid processed fruit products like applesauce or juices, even if fiber is added back, as they still cause higher insulin levels.
  • Minimize predigested foods (e.g., cooked or pureed fruits) to reduce energy storage as body fat.

Bottom Line

Opt for whole fruits over processed forms to stabilize glucose levels and minimize insulin-driven fat storage.

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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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