Case C-363/19: Judgment of the Court (Tenth Chamber) of 10 September 2020 (request for a preliminary ruling from the Patent- och marknadsdomstolen vid Stockholms tingsrätt — Sweden) — Konsumentombudsmannen v Mezina AB (Reference for a preliminary ruling — Food safety — Nutritional and health claims concerning foodstuffs — Regulation (EC) No 1924/2006 — Articles 5 and 6 — Scientific substantiation for claims — Generally accepted scientific evidence — Article 10(1) — Article 28(5) — Transitional arrangements — Unfair business-to-consumer commercial practices in the internal market — Directive 2005/29/EC — Article 3(4) — Relationship between the provisions of Directive 2005/29 and other EU rules regulating specific aspects of unfair commercial practices)