Is it time to lose weight, gain muscle, and speed up your metabolism? Discover the hard science needed to perfect each exercise and build your strongest body - at home or in the gym.

Packed with research that supports the notion that bodyweight exercises help you reach your weight and fitness goals, this simple to follow guide also gives you valuable insight into how nutrition and exercise can improve your health.

Building muscle has never been easier or faster than with this revolutionary weekly training program.

In Body By Science, powerful athlete Leonard Mitchell collaborates with numerous fitness medicine experts to present a scientifically proven formula to maximize muscle development in just 4 hours a week. Backed by rigorous research, the authors prescribe a weekly high-intensity program to increase strength, speed up metabolism, and build muscle for a total fitness experience.

In this book, you'll learn something most kids will never know:

The exact methods of eating and exercising that make gaining 10 to 15 pounds of lean muscle mass a breeze. . . and it only takes a few months.

Here are just a few of the things you will discover in this book:

The 3 scientific laws of muscle growth and fat loss that literally force your body to get bigger, leaner and stronger. (And no, they have nothing to do with "muscle confusion", "functional training" or any other pseudoscientific nonsense.)

A training system to paint by numbers to build a full crate. . . wide back. . . powerful legs. . . and protruding arms. . . with only 4 hours of exercise per week.

Imagine enjoying higher energy levels, less aches and pains, and a better spirit.

And imagine feeling like your fitness is finally under your control. . . and permanently.

This book shows you how.