GLOW Blend peptide composition GHK-Cu BPC-157 TB-500 Durham Peptides Canada Of all the multi-peptide formulations in the Canadian research peptide market, the GLOW Blend stands out for the deliberate logic of its composition. It combines three specific peptides — GHK-Cu, BPC-157, and TB-500 — in one vial at ratios designed for combined-mechanism research. It isn't a random stack. Each compound was selected for a specific research role, and together they cover three distinct b