Are Peptides Safe? What Older Adults Need to Know In a major policy shift, the U.S. Food and Drug Administration is reconsidering restrictions on several controversial peptides, including trending compounds like BPC 157 and Melanotan II. The move comes as demand for FDA Is Expected to Lift Restriction on Peptides, Heeding RFK Jr.'s Wishes The New York Times BPC 157 Peptide Therapy Doctors Supplement Store FDA to weigh easing limits on unproven peptides favored by RFK Jr. and MAHA supporters PBS News