BPC 157 + TB 500 Blend 20mg Research Peptide PRG Peptides for Plastic Surgery Recovery: A Clinical Guide to GLOW, KLOW, and NAD Plus Frank Agullo, MD 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 BPC 157 vs TB 500: Key Differences & Research Comparison BPC 157 vs TB 500 Peptide Which is Better for Injury Healng?