(1) [Natural] The practice of natural medicine, natural therapeutics, and natural procedures, for the purpose of removing toxic conditions from the body and improving the quality, quantity, harmony, balance, and flow of the vital fluids, vital tissues, and vital energy; [and]

(2) [Diagnosing, treating, and caring for] The diagnosis, treatment, and care of patients using a system of practice that bases its treatment of physiological functions and abnormal conditions on natural laws governing the human body: utilizing physiological, psychological, and mechanical methods, such as air, water, light, sunshine, heat and cold, earth, phytotherapy, physiotherapy, mechano-therapy, naturopathic corrections and manipulation, and natural methods or modalities, together with natural or homeopathic medicines, natural foods, and herbs, and nature's remedies of the type taught in education and training at naturopathic medical colleges. The practice of naturopathy excludes surgery, application of x-rays, and prescribing, dispensing, or using prescription drugs except as provided for in the definition of natural medicine[.]; and

(3) The utilization of natural medicines using the appropriate route of administration, including injection."