Epitalon (Ala‑Glu‑Asp‑Gly)   Epithalon is a refined synthetic tetrapeptide widely used in modern research for its clean structure and consistent performance in controlled experimental models. As a laboratory‑grade material, it supports studies involving cellular balance, environmental stress pathways, and longevity‑related mechanisms. Each vial contains high‑purity lyophilized powder for precise, reliable handling.