Boundless: Upgrade Your Brain, Optimize Your Body & Defy Aging

The latest book by Ben Greenfield, one of the world's leading experts in health and fitness, Boundless is a complete blueprint for total human optimization: mind, body, and spirit.

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Imagine your body, mind, and spirit fully optimized

What if the ability to look, feel, and perform at peak capacity wasn’t the stuff of lore but instead was within easy reach?

Sure, some of us find ways to hit peak performance in one area or another—there are professional poker players or computer programmers with optimized minds; professional athletes competing with optimized bodies; and monks and meditators roaming the planet with optimized spirits.

But in a perfect world, you would be able to have it all: complete optimization of mind, body, and spirit.

In Boundless, the New York Times bestselling author of Beyond Training and health and fitness leader Ben Greenfield offers a first-of-its-kind book.

Boundless is 600+ pages of the latest research, tactics, and tools for improving the health of your brain, body, and spirit: A complete, beautifully designed blueprint for total human optimization.

To help you maximize cognition, mental clarity, and IQ, this book walks you through:

  • How to rewire your skull’s supercomputer (& 9 ways to fix your neurotransmitters)
  • The 12 best ways to heal a leaky brain
  • 8 proven methods to banish stress and kiss high cortisol goodbye
  • 10 foods that break your brain, and how to eat yourself smart
  • How to safely utilize nootropics and smart drugs, along with 8 of the best brain-boosting supplement stacks and psychedelics
  • The top nutrient for brain health that you probably aren’t getting enough of
  • 6 ways to upgrade your brain using biohacking gear, games, and tools
  • How to exercise the cells of your nervous system using technology and modern science
  • Easy ways to train your brain for power, speed, and longevity
  • The ultimate guide to optimizing your sleep, maximizing mental recovery, and stopping jet lag

To ensure that you look good naked and live a long time, you will learn:

  • 6 ways to get quick, powerful muscles (& why bigger muscles aren’t better)
  • How to burn fat fast without destroying your body
  • The fitness secrets of 6 of the fittest old people on the planet
  • The best training program for maximizing muscle gain and fat loss at the same time
  • One simple tactic for staying lean year-round with minimal effort
  • A step-by-step system for figuring out exactly which foods to eat
  • 14 ways to build an unstoppable immune system
  • Little-known tactics, tips, and tricks for recovering from workouts with lightning speed
  • The best tools for biohacking your body at home and on the road
  • The 11 best blood tests for maximizing health and longevity
  • How to eat, train, and live for optimal symmetry and beauty (& how to raise kids with superhuman bodies and brains)

And to help you live a fulfilling and happy life, Boundless includes:

  • 12 techniques to heal your body using your own internal pharmacy
  • What the single most powerful emotion is and how to tap into it every day
  • 4 of the best ways to heal your body and spirit using sounds and vibrations
  • 6 ways to enhance your life and longevity with love, friendships, and lasting relationships
  • How to biohack the bedroom for better sex and longer orgasms, and the top libido-enhancing herbs, supplements, and strategies
  • The perfect morning, afternoon, and evening routines for enhancing sleep, productivity, and overall happiness
  • 28 ways to combine ancestral wisdom and modern science to enhance longevity, including the best foods, herbs, supplements, injections, medical treatments, biohacks, fasting strategies, and much more
  • The 4 hidden variables that can make or break your mind, body, and spirit
  • How to use the power of light to optimize your body and brain
  • The exercise that will change your life forever (& how to reverse-engineer your perfect day)

Boundless guides you every step of the way to becoming an expert in what makes your brain tick, your body work, and your spirit fulfilled.

You can flip open the book to any chapter and discover research-proven, trench-tested techniques to build muscle, burn fat, live longer, form irreplaceable relationships, raise robust children, and much, much more!


    Here are some frequently asked questions.

    How is Boundless different from other health books?

    Boundless guides you every step of the way to becoming an expert in what makes your brain tick, your body work, and your spirit happy. You can flip open the book to any chapter and discover research-proven, trench-tested techniques to build muscle, burn fat, live longer, have mind-blowing sex, raise robust children, and much, much more! Boundless is the last guide you will ever need to unlock all the expert advice necessary to live a joyful, adventurous and fulfilling life.

    Who is this book for?

    Boundless is for anyone seeking optimized cognition, upgraded energy, enhanced performance, better recovery, and even more happiness, meaning and purpose. Let’s face it: we health seekers face an uphill, frustrating battle of confusing and contradictory wellness advice from books, blogs and podcasts, complex nutrition recommendations that seem to change every single day, a never-ending flurry of perplexing information about what workout, diet and lifestyle is perfect for you and a dizzying new realm of biohacks, supplements, medication, anti-aging strategies and much more. Yet despite all this information, perhaps your body and brain still don’t feel right. Afternoon brain fog frequently sets in, your gut rumbles with mild, distracting bloating, and you just can’t seem to gain that muscle, lose that fat and get that body you want. You still feel like something is missing—the blueprint to feel the true energy every human being should have. But things don’t need to be this way. This book is for high achievers who want to live, eat, breathe, and vibrate in a truly superhuman way, every hour, every minute and every second of every day. Boundless gives you every last tool you need to build your best life and unlock true, lasting energy forever.

    What does it mean to be boundless?

    A BOUNDLESS MIND MEANS Balanced levels of important brain neurotransmitters so that your nervous system can flawlessly communicate A brain free of inflammation and fog You’ve developed potent stress-banishing and cortisol-decreasing strategies An elevated IQ, along with enhanced working memory and executive function Effective, educated use of nootropics, smart drugs and brain-enhancing foods, biohacks, gear and tools Pure, uninterrupted and efficient sleeps, naps and rest, even when traveling Flawless control over your feelings, interactions, communications and thoughts

    A BOUNDLESS BODY MEANS You know how to get lean and burn fat fast with the minimum effective dose of exercise, and build muscle in the safest, cleanest & fastest way possible A clean and perfectly functioning gut, with no digestive problems and maximal nutrient absorption Knowledge of the perfect movements, exercises, tools, foods, supplements and workouts for strength, power, speed, balance, mobility and endurance You’ve cracked the code on maximizing recovery and bouncing back from every workout like Wolverine An unstoppable immune system without frequent colds, flus, and productivity-halting infections A potent arsenal of tools to increase your symmetry, beauty and attractiveness

    A BOUNDLESS SPIRIT MEANS You know the best techniques to consciously control your thoughts and beliefs to positively affect your health You have a thriving, systematized practice of gratitude, love and joy An understanding of fringe methods such as sound healing and vibrational frequencies to enhance your physiology and spirit Optimized social connections, friends and relationships Daily habits and routines that allow you to create your perfect day, every day Maximized tantra, love and sexual satisfaction, with screaming hot orgasms and amazing love making experiences Optimization of the hidden variables that constantly affect your energy chakras, including emotions, air, light, electricity, water and much more

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