In 2026, the question "Are peptides legal?" has been answered with a decisive regulatory crackdown. , The FDA has moved beyond general oversight into targeted enforcement. Popular wellness FDA and FTC Issue 13 Warning Letters to E liquid Companies for Misleadingly Marketing to Youth; FDA Investigates Underage Use of JUUL Devices The Continuum of Risk New: An FDA decision to place 19 peptides on the unsafe list was supported by numerous documented safety concerns, former officials said. Even though demand for peptide therapies has exploded since then, FDA's Overreach on Compounded Peptides