A quality natural supplement company called American Botanicals makes a product called Intestinal Formula 1. Intestinal One contains Senna and Cascara Sagrada. Both natuarlly stimulate elimination. These ingredients are balanced with other cleansing herbs. The formula is non addicting, in fact it trains your colon to eventually work by itself.
Laxatives in pill form will clean out your system. One example would be Dulcolax. These are the pills the doctor tells you take the night before a colonoscopy. Another brand is Ex-Lax.
Dulcolax tablets will easily clean out your system and cause loose stools for several hours. It is definitely a big help to empty to colon and small bowel. It is better than prune juice!!
Pills that can clean out your systems are called Detox pills. There are different brands of pills that you can purchase. You need to make sure that you pick the one that is right for you.