RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals Why Are People Injecting Themselves with Peptides? The New Yorker FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures Imagine a compound that accelerates healing, reduces inflammation, and supports muscle recoverythat's BPC 157. This powerful peptide is derived from gastric juice and works by increasing growth factors at the site of The Peptide Craze Ground Truths More Americans are injecting themselves with peptides