21-Day Juice-a-Day Challenge 21-Day Juice-a-Day Challenge Juice Guru Steve and Julie Prussack introduce the 21-Day Juice-a-Day Challenge! Find out more how to join the challenge here. Search for: More Juicy Stuff Blog Fruit Juices Green Juices Juicing Essentials Radio Raw Foods Recipes Root Juices Smoothies Superfood Juices TV Videos Grab the ONLY juicing recipe you'll ever need! This is The ONLY Juice Recipe You'll Ever Need! GET Juice Guru Steve Prussack's "TAPE TO THE FRIDGE" poster day. It's the same recipe that was featured in our Amazon bestselling Book, Juice Guru: Transform Your Life by Adding One Juice A Day". Get it now!