[educational] The bovine pineal-gland extract (a polypeptide mix) from which the tetrapeptide Epithalon is derived. As an extract it’s technically a biologic (logistics limit widespread use vs the reproducible epitalon). — Longevity Top-5
Mechanisms
Evidence
[literature-russian] Russian lifespan/mortality studies: annual 10-day courses → 1.6–1.8× lower mortality (×2 yr), 2.5× lower with a thymic peptide (×6 yr); +lifespan in flies/mice/rats. — Longevity Top-5