The 4 Hour Body
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The 4 Hour Body

7.8
Good
update Last updated: Jan 18, 2026

description Overview

The 4-Hour Body is a guide to hacking your health by losing body fat, gaining muscle, improving sleep and sex, and excelling athletically. Tim Ferriss uses a variety of methods and formulas to make sure every reader can achieve the body they want. This summary breaks his formulas down into bite-size pieces of information that allow you to follow his protocols quickly and efficiently. This book has all the information you need to begin working toward the body you never imagined you could have.

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