Background
Epitalon (also written epithalon or epithalone) is a synthetic tetrapeptide — just four amino acids: Ala-Glu-Asp-Gly. It was developed in St Petersburg by Prof. Vladimir Khavinson as a synthetic analogue of epithalamin, a pineal gland extract studied in Soviet-era gerontology research.
What the research examines
- Telomerase activity — the most cited Epitalon studies report increased telomerase activity in cultured human somatic cells, which is why the peptide is so frequently referenced in ageing-biology discussions.
- Melatonin regulation — animal studies have looked at pineal function and circadian melatonin secretion patterns.
- Lifespan studies in models — long-running rodent and Drosophila experiments from the Khavinson group tracked lifespan differences, though independent replication remains limited.
- Antioxidant markers — some work measures oxidative-stress markers in tissue models.
How researchers assess the evidence
A recurring theme in reviews of Epitalon is that much of the primary literature originates from a single research group, with limited independent replication in Western journals. That does not invalidate the findings, but it is an important context for anyone surveying the field — the telomerase results in particular await large-scale confirmation.
Practical notes for laboratory work
As a short tetrapeptide, Epitalon is comparatively stable and straightforward to synthesise at high purity. Epitalon from BioSupply UK is supplied at ≥99% HPLC-verified purity with a batch Certificate of Analysis. Our storage and reconstitution guide covers general handling for lyophilised peptides.
Summary
Epitalon occupies a distinctive place in peptide research: a tiny molecule attached to some very large claims in ageing biology. The in vitro telomerase data is genuinely interesting; the human evidence is minimal. It remains a research compound only.
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