BPC 157 + TB 500 Blend 20mg Research Peptide PRG Chemical structures of BPC 157 metabolites as presented by He et al. Download Scientific Diagram Many have heard of BPC 157, and some people have heard of TB 500. The both of these are considered "healing peptides" however they have very different uses and can also be used in Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But there's limited research into their effectiveness. So how do