PurTherapy Colon Clear is a dietary supplement designed to support healthy bowel function.  It aims to help maintain regular bowel movements and address occasional bloating, pressure, and constipation. 

The intestinal tract, also known as the gastrointestinal (GI) tract, plays a critical role in overall health.  It's responsible for digesting and absorbing nutrients, eliminating waste, and maintaining a healthy immune system. The colon, the final part of the GI tract, is particularly important for waste elimination and the absorption of water and electrolytes. 

PurTherapy Colon Clear is formulated with a blend of ingredients that aim to promote healthy bowel function. The specific ingredients and their potential mechanisms of action are not clearly outlined in the provided search results. However, based on the available information, the supplement likely works by: