C
Cortagen
Full name: Cortagen (Ala-Glu-Asp-Pro)
A tetrapeptide developed by the St. Petersburg Institute of Bioregulation and Gerontology in Russia. Derived from vascular tissue extracts. Studied for effects on blood vessel regeneration, arterial wall integrity, and cardiovascular protection in animal models. Part of the Russian bioregulatory peptide research tradition alongside Epithalon and Thymalin.