GLP-1 (7-36) amide is the principal circulating form of glucagon-like peptide-1, a 30-amino-acid incretin hormone released after meals to amplify glucose-stimulated insulin secretion and suppress glucagon output. As the physiologically active sequence, it serves as a reference standard in receptor-binding assays, insulin-secretion studies and beta-cell biology research. It is supplied as a white lyophilized powder at >=99% HPLC purity in a sealed vial. Cold-chain logistics and batch documentation support reproducible results across independent laboratories. Custom packaging, including customer-branded vials, labels and cartons, can be arranged for distributor and OEM programs. Quality documentation in English is provided for every batch, and re-orders benefit from streamlined processing and stable pricing agreements. A dedicated coordinator follows each order until proof of delivery.