Enforcement or recall ·
FDA warning letter to a stem cell clinic that also marketed exosomes
U.S. Food & Drug Administration · FDA warning letter 712579
A CBER warning letter dated February 11, 2026 addressed an umbilical cord-derived stem cell product marketed without approval. The same letter noted that the company's website also marketed exosomes.
- What this source establishes
- That FDA treated this company's products, as marketed, as unapproved biological products.
- What it does not establish
- Anything about the specific exosome product a spa uses; the letter concerns one company's products and claims.
The official record (opens in a new tab) · checked Sep 25, 2026