The Mayo Clinic Diet ( $ 25.99 U.S. / hardcover ) and The Mayo Clinic Diet Journal ( $ 14.99 U.S. / plastic comb binding ) , both published by Good Books , are available in stores everywhere since January , 2010 . Mayo Clinic 's proceeds from the book will support medical education and research at Mayo Clinic . More information on The Mayo Clinic Diet can be found at www.GoodBooks.com / MayoClinicDiet / .