RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea BPC 157 has a decades long safety record with zero deaths or hospitalizations. Yet, it's unapproved because the FDA process is too expensive and the business model doesn't allow for profit. Approved drugs with Peptide Dosing Guide Compounded "semaglutide" is not FDA approved semaglutide.com