In brief On 13 April 2023, the Federal Trade Commission (FTC) issued a letter containing a Notice of Penalty Offenses Concerning Substantiation of Product Claims to approximately 670 advertisers, putting each company on notice that deceiving consumers with advertisements that make unsubstantiated product claims could subject the company to civil penalties of up to USD 50,120 per violation under 15 U.S.C. § 45(m)(1)(B). The FTC noted that, while the initial distribution of the Notice was specific to those making…