FDA to weigh easing limits on peptides promoted by RFK Jr. NBC 6 South Florida The science behind social media's peptide obsession Scientific American BPC157 TB500 Blend Research Peptide Kit 99% Purity 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 #