99% Pharmaceutical-Grade Purity - Rigorously purified vesugen for vascular endothelial repair, microcirculation regulation and blood vessel anti-aging research use. 1.Lab-Verified 5mg/10mg Vials - Precisely formulated sterile lyophilized powder for laboratory and research applications. 2.Vascular Protection Benefits - Khavinson synthetic tetrapeptide for endothelial cell activation, vascular inflammation inhibition and microcirculation improvement research studies. 3.Third-Party HPLC/LC-MS Tested - Each batch passes strict purity and identity testing with complete COA documentation. 4.Easy Reconstitution - Quickly dissolved with bacteriostatic water for convenient laboratory research use.