Minn. Stat. § 181.938
Subd. 1. Definition.
For the purpose of this section, "employer" has the meaning given it in section 179.01, subdivision 3.
Subd. 2. Prohibited practice.
An employer may not refuse to hire a job applicant or discipline or discharge an employee because the applicant or employee engages in or has engaged in the use or enjoyment of lawful consumable products, if the use or enjoyment takes place off the premises of the employer during nonworking hours. For purposes of this section, "lawful consumable products" means products whose use or enjoyment is lawful and which are consumed during use or enjoyment, and includes food, alcoholic or nonalcoholic beverages, and tobacco.
Subd. 3. Exceptions.
(a) It is not a violation of subdivision 2 for an employer to restrict the use of lawful consumable products by employees during nonworking hours if the employer's restriction:
Subd. 4. Remedy.
The sole remedy for a violation of subdivision 2 is a civil action for damages. Damages are limited to wages and benefits lost by the individual because of the violation. A court shall award the prevailing party in the action, whether plaintiff or defendant, court costs and a reasonable attorney fee.