DSIP (delta sleep-inducing peptide) is a nonapeptide first isolated from rabbit cerebral blood and associated with slow-wave sleep regulation, stress adaptation and metabolic recovery in experimental studies. Its role in sleep-wake and neuroendocrine research keeps it in steady demand. This product is a white lyophilized powder at >=99% HPLC purity in a sealed vial. Each batch is documented, and both trial quantities and bulk supply are available with worldwide shipping. For customers outside China, we prepare all export documents, including commercial invoice, packing list and certificate of origin as needed. Our logistics partners cover North America, Europe, Latin America and Asia with tracked services, and we update buyers on the shipment progress until delivery is confirmed.

DSIP (delta sleep-inducing peptide), a nonapeptide first isolated from rabbit cerebral blood, is associated with slow-wave sleep regulation, stress adaptation, and metabolic recovery in experimental studies. Its critical role in sleep-wake and neuroendocrine research ensures consistent demand. This product is a high-purity (≥99% HPLC) white lyophilized powder supplied in a sealed vial. Each batch is fully documented, and we offer both trial quantities and bulk supply with worldwide shipping. For customers outside China, we prepare all required export documents, including commercial invoices, packing lists, and certificates of origin. Our logistics partners provide tracked services across North America, Europe, Latin America, and Asia, and we keep buyers informed of shipment progress until delivery is confirmed.