From #1 New York Times bestselling author Dr. Ian K. Smith, a powerful six-week plan to burn fat more efficiently by improving metabolic flexibility.
The human body has the amazing ability to switch which fuels it uses for energy based on what fuel is available at the time—researchers call this metabolic flexibility. Bodies that are able to make this switch can burn sugars, proteins, and other food nutrients when available,

This program includes an introduction read by the author.
"Pulls you into the depths of a secret world from the first page. Ian Smith's novel is unmissable." —Harlan Coben, New York Times bestselling author of Missing You
Spencer Collins thinks his life at Harvard will be all about basketball and pre-med; hard workouts and grinding work in class. The friends he's made when he hits the storied ivy-clad campus from