FDA to weigh easing limits on peptides promoted by RFK Jr. NBC 6 South Florida The FDA is reviewing 12 peptides for removal from its restricted listincluding BPC 157, TB 500, Semax, and GHK Cu. If it goes through, it's the biggest peptide policy shift in years. More access. Easier The trend of unproven peptides is spreading through influencers and RFK Jr. allies CNN Analysis: The peptide problem: Hype is outrunning the evidence McMaster News Injectable Peptides: Out of the Back Alley and Into the Light? Berkley Lifesciences