Welcome to Just Answer and thanks for your question. The cleanse your body commercial is all about making money for the manufacturers of the product. There is never any need to "cleanse" the colon, or the liver, or any other internal body part. A daily shower for the outside of the body is fine. The best way to lose weight is to eat a healthy lower calorie diet featuring fresh fruits and vegetables, whole grains, and lean protein, and increase exercise. The "cleanses" are powerful laxatives which rob your body of water that it needs to be healthy. Any weight loss is only temporary. Here are some healthy diet and exercise tips. They are aimed especially at diabetics but they are healthy plans for everyone to use to keep weight in check.