FDA moves toward easing restrictions on certain peptides BioPharma Dive FDA takes first step in possible reversal of ban on some peptides The Washington Post The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University Compounded "semaglutide" is not FDA approved semaglutide.com Sources: U.S. Food and Drug Administration (FDA) Compounding and the FDA (503A & 503B guidance) FDA warning letters on unapproved peptide products National Institutes of Health (NIH) PubMed