Gwyneth Paltrow has long been known for promoting various wellness fads that drive experts crazy. Long before she was publicly singing the praises of raw dairy products, she would publish "detox" diets each January. These were the foundation of Goop's wellness business. In this excerpt from Amy's latest book Gwyneth: The Biography, hear about how Goop began, how its viral diet advice generated great controversy (along with invaluable notoriety) in its early days, and how health and medical experts felt about it all. Get the full Gwyneth audiobook here. Get Gwyneth: The Biography in hardcover or ebook here. Audio excerpt courtesy of Simon & Schuster Audio from Gwyneth by Amy Odell, read by Chante McCormick. Copyright © 2025 by Amy Odell. Used with permission of Simon & Schuster, Inc.  Learn more about your ad choices. Visit megaphone.fm/adchoices