RFK Jr.'s peptide push could unleash risky drugs STAT First Opinion GHK Cu [50mg] Elixser Peptides FDA Peptide Ban Lifted: Legit Compounding Pharmacies Now Regulate Julian Becerra posted on the topic LinkedIn Amazon.com: 99% GHK Cu Copper Peptide Powder CAS 49557 75 7 7g pack : Beauty & Personal Care The FDA just changed the rules on peptides effective April 15, 2026. BPC 157, GHK Cu, MOTS C, and TB 500 have been removed from the Category 2 restricted compounding list. Here is what