LIVER CLEAN INSTRUCTIONS: continued in COMMENTS: 30 of them: per Moritz, Andreas. The Liver and Gallbladder Miracle Cleanse: An All-Natural, At-Home Flush to Purify & Rejuvenate Your Body Cleansing the liver and gallbladder from gallstones is one of the most important and powerful approaches you can take to improve your health. The liver cleanse requires 6 days of preparation, followed by 16 to 20 hours of actual cleansing. To remove liver and gallbladder stones, you need the following items: •