. >> announcer: number one new york times best-selling author and nutritionist haylie pomroy has discovered fabulous health and permanent weight loss. >> today i'm going to show you how to speed up your metabolism and how to use food to burn through fat like never before. >> announcer: for over 20 years, haylie has helped countless clients lose up to 20 pounds in just four weeks, and she's here to help you. >> the fast metabolism diet is a paradigm shift that your body needs, and it will create a new healthier version of you. >> announcer: haylie's approach