Oz's first book, The Dorm Room Diet (Newmarket Press, 2006), advanced her approach to avoiding the "Freshman 15". The book covers her advice on how to develop healthy habits while in college that may benefit the student through life. The book was publicized by multiple media outlets including The New York Times,The Wall Street Journal,People, The Washington Post,Reader's Digest, Teen Vogue, Cosmo Girl! and Seventeen. She made promotional appearances on Good Morning America, Fox & Friends, The Nate Berkus Show, The Tyra Banks Show, NPR Weekend Edition, and her father's program, The Dr. Oz Show.