Fiber is one of the most effective ways to keep the colon clean. The fiber used in our Fiber Cleanse is all-natural Grapefruit fiber, Apple fiber, Slippery Elm, and Flax Seed Meal, and other colon-friendly all natural herbs to give everyone the purest and best colon cleanse. Unlike laxatives Fiber Cleanse keeps the colon strong and will help with colon complications the more it is used. Fiber Cleanse is a great way to prevent colon cancer. We pride ourselves in making the highest quality fiber on the market. Our Fiber Cleanse does not contain Psyllium. This product is available in powder and capsules.