Fruits and vegetables – as much as you want. No bananas and no potatoes. Day 3 is an effective way of combining days 2 and 3 and getting. A 7 Day Cleanse – Even Foodie's Can Detox Day Three: Fruits and Vegetables You are allowed up to 8 bananas and 3 glasses of milk. Day 1: All the fruit you want – no bananas – and 10 glasses of water (each) day. Cleanse Day 3: A mixture of fruits and vegetables of your choice. . to eat healthily, and I've started juicing after my detox Thank you guys.