The goal is to get rid of things that negatively affect the environment of the GI tract, such as inflammatory and toxic foods, and intestinal infections. (mindbodygreen.com)
The reason is the potential for negatively affecting the environment in which gut flora optimally thrive. (thehealthyhomeeconomist.com)
Also, it produces no harmful by - products which negatively affect the environment. (tropicaltraditionscanada.com)