Schiff® 3-Day Cleanse is a simple 3-day program designed to remove unwanted compounds from the body, refresh the intestinal tract, and support healthy liver function. Other leading cleanse programs involve taking several pills or packets per day for 7 days or more. Schiff® 3-Day Cleanse is a simple 3-day program with only 2 pills to take per day. Because the program is so simple, it can be done monthly. Each box of Schiff® 3-Day Cleanse contains two 3-Day Cleanse programs.