VIP (vasoactive intestinal peptide) is a 28-amino-acid neuropeptide with broad anti-inflammatory, vasodilatory and neuroprotective actions mediated through VPAC1 and VPAC2 receptors. Its pleiotropic signaling makes it a central tool in neuroimmunology and gastrointestinal research. This product is a white lyophilized powder at >=99% HPLC purity in a sealed vial. Batch-level quality data, OEM options and global logistics are provided for laboratory buyers. Storage at 2-8 degrees Celsius in the original sealed container is recommended to preserve stability, and the material should be protected from light and moisture. Our sales team confirms specifications, availability and transit time before dispatch, and every parcel is packed with sufficient cushioning for international transport.