99.5% Pharmaceutical-Grade Purity - Synthetic organ-targeted Khavinson tetrapeptide for prostate tissue repair, anti-hyperplasia and male endocrine regulation research use. 1.Lab-Verified Standard Vial Specification - Sterile lyophilized white powder with stable peptide content, strictly controlled impurity for professional laboratory research trials. 2.Prostate Repair & Anti-Inflammatory Benefits - Amino acid sequence Lys-Glu-Asp-Pro specifically targets prostate tissue, relieves gland swelling and inflammatory response, balances local cell proliferation, regulates related gene expression for benign prostatic hyperplasia and prostatitis mechanism research studies. 3.Third-Party HPLC/LC-MS Tested - Each batch undergoes strict purity and molecular weight inspection with complete COA qualification documents. 4.Easy Reconstitution - Rapidly soluble in bacteriostatic water, clear homogeneous solution suitable for all in vitro and in vivo laboratory experiments.