Tirzepatide is a widely studied peptide in current research — a dual agonist that interacts with both GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1) receptor pathways simultaneously. This dual receptor activity has made Tirzepatide a subject of ongoing research interest in studies focused on peptide signaling, receptor interaction, and broader pathway dynamics. COA with every batch.