C.R.S. § 44-1-105

(1) As used in this section, unless the context otherwise requires, “kratom product” means any product or ingredient containing: (a) Any part of the leaf of the mitragyna speciosa plant if the plant contains the alkaloid mitragynine or 7-hydroxymitragynine; or (b) A synthetic material that contains the alkaloid mitragynine or 7-hydroxymitragynine. (2) Repealed. (3) Effective July 1, 2024, a person shall not: (a) Knowingly prepare, distribute, advertise, sell, or offer to sell a kratom product that is adulterated with fentanyl or any other controlled substance listed in part 2 of article 18 of title 18 ; (b) Sell a kratom product that does not have a label that clearly sets forth: (I) The identity and address of the manufacturer; and (II) The full list of ingredients in the kratom product; (c) Knowingly prepare, distribute, advertise, sell, or offer to sell a kratom product to a person under twenty-one years of age; or (d) Display or store kratom products in a retail location in a manner that will allow the products to be accessed by individuals under twenty-one years of age. (4) The executive director may promulgate rules that are necessary for the enforcement of subsection (3) of this section.