“David's book is as much an account of his own personal journey to health as it is an incredible framework for embarking on your own. Do exactly as David says, and you will indeed become unstoppable.”
— Mark Sisson, New York Times bestselling author of The Keto Reset Diet and founder of Primal Kitchen foods
“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, New York Times bestselling author
“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, CEO of Kion.com
