Fasting, Ketosis, and Cognitive Enhancement

This chapter explores the historical significance of fasting and its role in achieving ketosis, enhancing brain function during intense mental activities. Through anecdotes and experiences, the effects of dietary ketones on cognitive clarity and spiritual awareness are examined, highlighting advancements in nutritional science.

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Your brain runs slow when it’s running on the wrong fuel.

In this episode of The Human Upgrade, Dave Asprey sits down with Geoffrey Woo, Stanford-trained computer scientist and founder of Ketone-IQ, to reveal the high-performance brain fuel once reserved for Special Forces and elite athletes.

Discover how ketones helped operators in combat zones sharpen focus, recover faster, and boost reaction speed by up to 30%. Learn why glucose falls short, how to hack your mitochondria for better cognition, and what it takes to unlock rapid-fire thinking on demand.

This is brain energy for people who want to win, at life, work, and everything in between. Whether you’re fasting, flying, or facing real pressure, ketones flip the switch.

You’ll Learn:

• Why ketones beat glucose for focus, speed, and mental clarity

• How Special Forces use ketones to recover brain function under stress

• The truth about esters, salts, and the new wave of ketone diols

• How ketones support faster thinking, emotional control, and clean energy

• What makes Ketone-IQ different, and how Dave stacks it for peak performance

• The best ways to combine ketones with fasting, workouts, and meditation

• Why your metabolism controls your mood, reaction time, and resilience

Resources:

• Dave Asprey’s New Book - Heavily Meditated: https://daveasprey.com/heavily-meditated/

• Ketone-IQ Website – https://ketone.com/pages/dave-asprey?utm_source=partners&utm_medium=referral&utm_campaign=DAVE

• Geoffrey's Website: https://www.geoffreywoo.com/