What's the noun for naturopaths? Here's the word you're looking for.
naturopathy
(alternative medicine) A system of therapy that avoids drugs and surgery and emphasizes the use of natural remedies (air, water, heat, sunshine) and physical means (massage, electrical treatment) to treat illness.
“In the course of the investigation, a series of letters was sent to alternative practitioners such as naturopaths, homeopaths, and herbalogists.”
“Pushed to the fringes of society for most of this century, naturopaths have quietly continued to argue about this homeopathic dilemma.”
“My experience with naturopaths is that they seem to have more time to discuss related and all-over health issues than some of the medical doctors I've been to.”