GHK Cu for Women: Potential Benefits Eden The Food and Drug Administration will hold a meeting this summer to consider easing restrictions on more than a half dozen peptide injections, a group of unapproved therapies that have become popular RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals Which non FDA (United States Food and Drug Administration) approved peptides, such as BPC 157 (Body Protection Compound 157) and TB 500 (Thymosin Beta 500), are likely legitimate for medical use under strict supervision? BPC 157: Experimental Peptide Creates Risk for Athletes