Internal Flush is an extremely safe and effective diet and cleansing product. It was the original diet cleansing product, paving the way for competitors. These competitors released products mimicking Internal Flush but their formulations were not safe and not researched effectively. With numerous new products coming and going, Internal Flush® is still the #1 selling diet product in Canada*. This is possible because people know the product is SAFE. Internal Flush has never caused injury or been recalled by the FDA or Health Canada. The all natural formula is the first and the original diet cleansing product.