The Kava-kava in Food (Scotland) Regulations 2002
These Regulations prohibit the sale, possession for sale, offer, exposure or advertisement for sale, and the importation into Scotland, of any food consisting of, or containing, Kava-kava (being a plant or part of a plant, or an extract from such a plant, belonging to the species Piper methysticum) (regulation 3). Any such food may be treated as being unfit for human consumption and be liable to be seized and destroyed (regulation 5(3)).