The system includes one or more devices to improve performance of selected internal organs by stimulating the organs through vibrating action of the device to restore their normal youthful function. Sources of vibration include a capsule, which can be swallowed, or a larger member that is introduced through the rectum or esophagus or applied into the abdominal cavity with or without incision. These vibration sources are either implanted and inserted for natural passage along the digestive tract, or they are retained at the end of a flexible shaft of length sufficient to reach their deepest intended placement from access through the mouth or rectum. Additionally, in the case of the vibrating capsule, it can be swallowed as well as implanted and released for natural passage along the small intestine and colon. The capsule can also be retained at the end of a flexible, controllable shaft of length sufficient to reach past the duodenum. The flexible shaft movement is controllable to increase effectiveness.