RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures Newsday 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 Imagine a compound that accelerates healing, reduces inflammation, and supports muscle recoverythats BPC 157. This powerful peptide is derived from gastric juice and works by increasing growth