What are the best timing for dieting? What are the different ways of detoxing? Kevin Reese has been on a juice cleanse for 50 days and running 5 miles a day. WHAT? AND he’s still alive. Could you drink juice for 1 day? Could you gut it past the hardest 3 days of a cleanse? Why should you bother to juice? What kind of juice should you drink? WITH It Up With CJ .