Title 59 Section 161.2 (A)
 Chiropractic is the science and art that teaches health in anatomic relation and disease or abnormality in anatomic disrelation, and includes hygienic, sanitary and therapeutic measures incident thereto in humans. 

 The scope of practice of chiropractic shall include those diagnostic and treatment services and procedures which have been taught by an accredited chiropractic college and have been approved by the Board of Chiropractic Examiners. 

 Such diagnostic and treatment services and procedures shall include the following:  Chiropractic physicians may examine, analyze and diagnose the human body to correct, relieve or prevent diseases and abnormalities by the use of any physical, chemical, electrical, or thermal method; use or order diagnostic radiologic imaging; use or order laboratory testing; and use any other method of examination for diagnosis and analysis taught by an accredited chiropractic college and approved by the Board of Chiropractic Examiners. 

 In addition, chiropractic physicians may adjust, manipulate and treat the human body by manual, mechanical, chemical, electrical, or natural methods; by the use of physiotherapy; meridian therapy; by utilizing hygienic, sanitary and therapeutic measures; by the administration of naturopathic and homeopathic remedies, by the application of first aid or by performing any other treatment taught by an accredited chiropractic college and approved by the Board of Chiropractic Examiners.  Nothing in this rule shall permit a chiropractic physician to prescribe legend drugs, beyond injectable nutrients, as is currently the law in Title 59 Section 161.12 (B)(7) of the Oklahoma Statutes.

Title 59 Section 161.12 (B) (7) of the Oklahoma Statutes:
 Chiropractors may however, possess, prescribe or administer, by a needle or otherwise, vitamins, minerals or nutritional supplements.