Biohacking News by Zestology You've Been Fasting All Wrong (feat. Dr. Valter Longo) #594
May 5, 2025
Dr. Valter Longo, a leading expert on longevity and the creator of the Fasting-Mimicking Diet, challenges conventional fasting wisdom. He argues for 12 to 13 hours of daily fasting, warning against prolonged fasting's potential harm. The discussion reveals insights into meal timing, the therapeutic benefits of shorter fasts, and the importance of personalized nutrition. Longo also delves into the effects of coffee on fasting and advocates for a balanced approach to dietary habits, promoting health and longevity.
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Optimal Fasting Duration
- Fasting for 12 to 13 hours daily is beneficial and feasible for most people, unlike longer fasts.
- Longer fasts like 16+ hours might cause issues, contradicting common biohacker beliefs.
Avoid Excessive Daily Fasting
- Avoid fasting periods longer than 16 hours daily as they may cause long-term health problems.
- Aim for a 12 to 13 hour fast daily to support longevity and sustainability.
Don’t Eat Near Bedtime
- Avoid eating 3 to 4 hours before going to sleep to improve sleep quality.
- Occasional deviations (e.g., holidays) are fine but regular late-night eating may cause health issues.
