For over a century, the Food and Drug Administration (FDA or the Agency) and its precursors have regulated what companies say about their products. The FDA itself notes that the regulatory scheme imposed by the Federal Food, Drug, and Cosmetic Act “depends on the use of words” and that its requirements can “explicitly limit speech.” For seventy years, the FDA had little reason to worry about First Amendment constraints. But since 1976, when the Supreme Court reversed its longstanding position that the First Amendment does not protect commercial speech, the Agency has had to confront–perhaps more than any other federal agency–the free speech rights of regulated firms.
But how far do those rights extend, and what room do they leave for regulators like the FDA? The answer largely depends on another question: Is the speech commercial or noncommercial? The distinction is paramount. If speech by a regulated firm is commercial, then the FDA can ensure that it is not false or misleading; the Agency can require or compel certain speech; it can impose prior restraints; and it can even limit truthful speech, all within certain parameters.