- Louise Aronson
By: Erin Oprea, Erin Oprea
The 4 x 4 Diet: 4 Key Foods, 4-Minute Workouts, Four Weeks to the Body You Want
Discover the 4 key foods and the 4-minute workouts that will change the way you look and feel in just 4 weeks.
Celebrity trainer and former marine Erin Oprea's motto is "lean and clean." Her unique 4 x 4 diet shows you how to get clean by reducing the 4 major hitches in most diets:
