How does the Peptide BPC 157 Work? 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 Why Are People Injecting Themselves with Peptides? The New Yorker BPC 157 Peptide Therapy Regenerative Medicine Dr. Henry Sobo, MD FDA Is Expected to Lift Restriction on Peptides, Heeding RFK Jr.'s Wishes The New York Times