99% Pharmaceutical-Grade Purity - Rigorously purified pnc 27 for brain nerve repair, anti-aging and cognitive function research use. 1.Lab-Verified 5mg/10mg Vials - Precisely formulated sterile lyophilized powder for laboratory and research applications. 2.Nerve Repair Benefits - Bioactive polypeptide for nerve cell regeneration, oxidative stress reduction and memory 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.