FDA to weigh easing limits on unproven peptides promoted by RFK Jr. BPC 157 aka Wolverine. This peptide is not FDA approved, but it is very popular among the biohacking population. Ashley explains the science behind it, but remember, it doesn't have human data yet, so Peptides may soon be easier to get amid RFK Jr.'s push, but experts warn of risks More Americans are injecting themselves with peptides