99% Pharmaceutical-Grade Purity - Rigorously purified chonluten for lung tissue repair, respiratory protection and pulmonary anti-aging research use. 1.Lab-Verified 5mg/10mg Vials - Precisely formulated sterile lyophilized powder for laboratory and research applications. 2.Respiratory Protection Benefits - Natural regulatory tripeptide for lung cell protection, relieving respiratory inflammation and improving pulmonary tissue activity 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.