Big FDA review coming this July. Here's what athletes and patients should know about BPC 157, TB 500, and the broader peptide conversation. Always speak with your physician before starting any new protocol. #bpc157 # FDA Is Expected to Lift Restriction on Peptides, Heeding RFK Jr.'s Wishes The New York Times Big FDA review coming this July. Here's what athletes and patients should know about BPC 157, TB 500, and the broader peptide conversation. Always speak with your physician before starting any new protocol. #bpc157 # RFK Jr. promotes peptides. Now the FDA weighs easing limits on the unproven chemicals BPC157, TB500, GHK Cu FDA