Minn. Stat. § 152.135
Subd. 1. Prescription status for ephedrine.
Except as provided in this section, a material, compound, mixture, or preparation that contains any quantity of ephedrine, a salt of ephedrine, an optical isomer of ephedrine, or a salt of an optical isomer of ephedrine, may be dispensed only upon the prescription of a duly licensed practitioner authorized by the laws of the state to prescribe prescription drugs.
Subd. 2. Exceptions.
(a) A drug product containing ephedrine, its salts, optical isomers, and salts of optical isomers is exempt from subdivision 1 if the drug product:
Subd. 3. Mismarketing of ephedrine prohibited.
The marketing, advertising, or labeling of a product containing ephedrine, a salt of ephedrine, an optical isomer of ephedrine, or a salt of an optical isomer of ephedrine for the indication of stimulation, mental alertness, weight loss, appetite control, or energy, is prohibited. In determining compliance with this subdivision, the following factors may be considered:
Subd. 4.
[Repealed, 1Sp2003 c 2 art 8 s 19]
Subd. 5. Sales for illicit purposes prohibited.
It is unlawful for a person to sell, distribute, or otherwise make available a product containing ephedrine, pseudoephedrine, or phenylpropanolamine or their salts, optical isomers, or salts of optical isomers if the person knows or reasonably should know that the product will be used as a precursor to an illegal substance.
Subd. 6. Penalty.
A person who violates this section is guilty of a misdemeanor.