VIP (Vasoactive Intestinal Peptide) is a 28-amino-acid neuropeptide widely distributed in the nervous and digestive systems, studied in neuroscience and immune-regulation research. It is supplied as a high-purity white lyophilized powder, >=99% by HPLC, in sealed vials for laboratory use. VIP is investigated in research on neuropeptide signaling, inflammation modulation, autonomic regulation and gut-brain communication, and is commonly applied in cell-based and preclinical studies. The lyophilized format ensures high stability and easy reconstitution for reproducible experimental dosing. Quality control is performed on each batch with batch COA available on request. Keep the product sealed at 2-8 degree C, protected from light and moisture; for long-term storage -20 degree C is recommended and repeated thawing should be avoided. We accept both sample and bulk orders, offer OEM and private label service, and arrange discreet neutral packing for worldwide shipping. Intended for laboratory research only, not for human or veterinary application.