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    Why I Wrote This Book

    “After years of working 100+ hour weeks, unhealthy eating, and very little movement, this book is the result of a 10 year journey to improve my health and find optimal performance. My core purpose is empowering others to succeed which continues with this book. Hopefully, you can advance your personal journey faster and better because of the crazy amount of time and money spent, and the extremes I went to.”

    — David Hauser

    Unstoppable is a result of more than 10 years, $250,000+, and 5000+ hours of obsession, applying proven business tactics and methods to health and wellness to create a framework for you.


    Hack your health with the human optimization framework

    • Master the 5 guidelines for an optimal diet; improving focus, productivity and health
    • Discover the secret to getting the best sleep you’ve ever had
    • Understand what 5 blood tests you should be doing, every year.
    • Learn the 7 principles for living the ‘Unstoppable’ lifestyle
    • Develop an experimentation and optimization mindset
    • Question conventional wisdom and discover your truth

    Fast-Forward your Evolution!

    A thorough yet simple framework in UNSTOPPABLE empowers you to take charge of your life and be amazing. Be healthy, sleep better, fuel with what your body needs, and find the optimal intersection of performance and joy in life.

    Along the journey, you'll discover and implement skills to fast-track your personal growth.


    What Others Say

    "Do exactly as David says, and you will indeed become unstoppable."

    Mark Sisson. Founder of Primal Kitchen & New York Times Bestselling Author

    “Unstoppable provides a fundamental framework for scaling personal health and happiness, backed by actual research.”

    Dan Martell. Entrepreneur

    “I don’t know anyone that has spent more time, money, and effort on health optimization than David. In Unstoppable, he gives that knowledge back to the world.”

    Noah Kagan. Facebook, Mint &, OkDork

    “David gives you the power to radically transform your health with a simple and approachable framework for thinking about diet, exercise and life.”

    Robb Wolf. Wired to Eat, New York Times Bestselling Author

    “At HubSpot, testing, optimization, and iteration helped us grow consistently and sustainably. In this book, David shows how a similar framework can be applied to the goal of continually improving health and wellness. David's advice is reasonable, straightforward, and most importantly—backed by data.”

    Dharmesh Shah. Founder of HubSpot

    “Before you start on the path to a healthier you, save yourself a ton of time and energy and read Unstoppable first. David provides a clear and concise path to getting in the best shape of your life in an efficient way, becoming more productive, and leading the fully optimized life you desire.”

    Ben Greenfield. Biohacking Expert

    About The Author

    David Hauser is an entrepreneur, speaker and angel investor. He is best known for co-founding Grasshopper, a virtual phone service for entrepreneurs, acquired by the Citrix Systems in 2015. He also founded Chargify which was acquired by Battery Ventures. He is quite active on Quora with 2 million answer views and is a founding member of the National Entrepreneurs Day.


    Join over 10,000 subscribers today!

    No frills weekly email, with thoughts on health, money, family, and more.