The Human Upgrade Book – Version 4.0

What if your health wasn’t limited by genetics — but by switches in your biology no one taught you how to control?

In The Human Upgrade Book – Version 4.0, John Navarro reveals a root-cause framework to optimize energy, focus, and longevity using cutting-edge science and proven biohacking protocols.

Inside, you’ll discover how to:

?? Activate cellular switches that drive performance and prevent fatigue
?? Unlock genetic insights to personalize your nutrition and training
?? Apply hydration, fasting, and carnivore protocols for maximum results
?? Leverage cold, heat, and recovery science to supercharge resilience
Whether you’re a health professional or just starting your optimization journey, this book is your blueprint for upgrading body and mind.