You're smart. You're sick of gimmicks and trendy diets that leave you with frustration and a slower metabolism. The 1 gets to the root of the problem—gut health—and delivers a personalized plan to wellness, hormone balance, and permanent weight loss based on the Nobel Prize-winning science of autophagy and diet phasing. Finally, a science-based solution that's actually doable! Following her own health scare, health and wellness expert Chalene Johnson set out to understand the science and individuality of metabolism. Working with renowned researchers, doctors, and registered dietitians, she developed a simplified 3-phase plan for health-promoting weight loss. This proven methodology was tested with more than 25,000 individuals. Now she distills the essentials of her hugely successful online program into the book. 1 Objective (set by you!), 3 Weeks of Diet Phasing, and 1 Week to Fast and Refuel. guides you through Chalene's 3-phase, 12-week solution, helping you personalize every step of the way. You'll: The isn't a one-size-fits-all diet; it's how to eat a diet that works! You'll get everything you need to change your thinking, transform your body, and improve your life . . . for good!