The Switch
How can you lose dramatic weight, reverse chronic conditions, and stay healthier longer? Flip the switch on your metabolism with intermittent fasting, protein restriction, and ketosis!
Becoming a Better Human
Becoming a Better Human explores how fear shapes our thoughts and behavior, helping readers understand the connection between awareness, ego, and experience to live with greater clarity and freedom.
ORDER BOOK
What Readers
Say About the Book
Real feedback from readers who have explored the science and insights behind The Switch, discovering practical ways to improve health, support longevity, and better understand the power of metabolic balance.
James Clement has devoted the last two decades to the science of life extension. He is best known for his Supercentenarian Study, which has received international press (see: Betterhumans Supercentenarian Research Study in the News) in addition to a feature story in the New York Times by Pulitzer Prize–winning writer Amy Harmon.

David A. Sinclair, PhD
New York Times bestselling author of Lifespan
The Switch will undoubtedly rewrite your health destiny.

David Perlmutter, MD
New York Times bestselling author of Grain Brain and Brain Wash
James Clement is a rare trailblazer in scientific circles. The Switch offers a paradigm shift in the way we think about health—and how to avoid decline and illness. This is a must read.

Mark Hyman
#1 New York Times bestselling author of Food: What the Heck Should I Cook?
There is an easy way to make your cells stronger and younger. James Clement has done the science to crack the code for all of us to stay younger longer. Read this book!

Dave Asprey
Founder of Bulletproof and New York Times bestselling author of The Bulletproof Diet
The Switch is a sweeping and fascinating journey on the science of aging and life-extension. Additionally, Clement offers years of distilled research with a practical guide to switch on the body’s innate ability to rejuvenate itself to live a longer and healthier life.

Travis Christofferson
Author of Tripping Over the Truth and Curable
The Switch is a breakthrough twenty-first-century antiaging book!

Dr. Steve Horvath
Professor of Human Genetics & Biostatistics at UCLA