Indiana Code Title 16. Health § 16-18-2-249

(1) any drug whose composition is such that the drug is not generally recognized among experts, who are qualified by scientific training and experience to evaluate the safety of drugs, as safe for use under the conditions prescribed, recommended, or suggested in the labeling of the drug;  or

(2) any drug whose composition is such that the drug, as a result of investigations to determine the safety for use under such conditions, has become so recognized, but which has not, otherwise than in investigations, been used to a material extent or for a material time under such conditions.