In this book you will learn: • The 2 best ways to build fitness fast without destroying your body Underground training tactics for maximizing workout efficiency • The best biohacks for enhancing mental performance and entering the zone How to know with laserlike accuracy whether your body has truly recovered • 26 ways to recover quickly from workouts, injuries, and overtraining • The 25 most important blood and saliva biomarkers and how to test them • 5 essential elements of training that most athletes neglect • 7 stress-fighting weapons to make your mind-body connection bulletproof Proven systems to enhance sleep, eliminate insomnia, and conquer jet lag • 40 high-calorie, nutrient-dense meals that won't destroy your metabolism • Easy tools for customizing your carbs, proteins, and fats for your unique body • 9 ways to fix a broken gut, detox your body, and create a toxin-free life • A complete system to safeguard your immune system and stomach Simple time-efficiency tips for balancing training, work, travel, and family