Dr. Jockers Functional Nutrition

The Shocking Benefits of Eating No Food for 72 Hours with Ben Azadi

Nov 11, 2025
Ben Azadi, a metabolic health coach and author of Metabolic Freedom, teams up with Dr. David Jockers to explore the powerful effects of a 72-hour fast. They reveal how fasting promotes autophagy, boosting mental clarity and reducing inflammation. Listeners learn about the creation of new mitochondria, essential for energy production, and how fasting elevates growth hormone levels to preserve muscle. The duo also discusses practical tips for managing hunger and preparing for fasting, alongside the immune benefits that come from this ancient healing method.
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INSIGHT

Ketones Fuel A Clearer, Less Inflamed Brain

  • After ~16 hours fasting the body shifts from glycogen to fat and begins producing ketones for brain fuel.
  • Ketones cross the blood-brain barrier, reduce brain inflammation, and improve clarity and creativity.
ADVICE

Start With A 12-Hour Overnight Fast

  • Do a 12-hour overnight fast as a baseline to rest digestion and allow liver detox cycles to run.
  • Avoid eating or drinking calories before bed and immediately on waking to preserve fasting benefits.
INSIGHT

Autophagy Replaces Damaged Cells With New Ones

  • Autophagy begins around 24 hours and selectively clears damaged proteins, senescent cells, and visceral fat.
  • The body recycles these materials to create healthier proteins and stress-resilient mitochondria.
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