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Epithalon

unknown risk

Also: Epitalon · Epithalamin · Tetrapeptide-4

Preliminary Research Only

Epithalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) analog of epithalamin, a natural polypeptide extracted from bovine pineal glands. Russian researcher Vladimir Khavinson has published extensively on its telomere-elongating and longevity-enhancing properties in animal and limited human studies.

Molecular Weight
390.3 g/mol
Formula
C14H22N4O9
Common Dosing
5-10 mg/day for 10-20 day cycles, subcutaneous or IV (from Russian literature)
Category
research
Last Reviewed
2025-01-15

Reported Benefits

Telomerase Activation

Preliminary 12 studies

Khavinson lab studies show increased telomerase activity and telomere lengthening in human cells.

Longevity (Animal)

Preliminary 8 studies

Rat and mouse studies show extended lifespan 20-40% beyond controls.

Melatonin Regulation

Preliminary 5 studies

Modulates melatonin secretion from pineal gland in animal models.

Mechanism of Action

Epithalon appears to activate telomerase (the enzyme that elongates telomeres) through gene expression changes. It may also interact with the hypothalamic-pineal axis to normalize melatonin secretion rhythms. The precise molecular targets in human cells are not fully characterized.

Key Clinical Studies

Khavinson VK et al. (2003)

laboratory · In vitro human cells

Telomerase activation and telomere elongation in somatic cells

Anisimov VN et al. (2003)

animal · Rats

30% increase in mean lifespan

Overview

Epithalon occupies a unique position in the peptide landscape — it is the most-researched “longevity peptide” from the Russian school of gerontology, with a publication record spanning 50+ years. However, the vast majority of this research comes from a single laboratory and institution (Khavinson’s group at the St. Petersburg Institute of Bioregulation and Gerontology), creating significant independent replication gaps.

The Telomere Connection

The mechanism that drives interest in epithalon is telomerase activation. Telomeres — the protective caps on chromosomes — shorten with each cell division, and telomere length is associated with biological aging. Epithalon has been shown in vitro to activate telomerase and extend telomere length in human somatic cells. Whether this translates to meaningful anti-aging effects in vivo is unestablished.

Russian Research Context

The bulk of epithalon research occurred within the Soviet and Russian gerontology research programs, which operated somewhat separately from Western peer review conventions. While Khavinson’s work is published in indexed journals, the lack of independent Western replication means the evidence should be interpreted cautiously.

Practical Considerations

Epithalon is typically administered in 10-20 day cycles, 1-2 times per year, based on Russian clinical protocols. The optimal dosing regimen for potential human benefit remains unknown, and the risk profile of chronic telomerase activation (potentially accelerating cancer cell growth) has not been adequately studied.

Regulatory Status

Research Only

Not FDA-approved; Soviet/Russian research origins; no regulatory approval in Western markets

Safety Profile

Side Effects

  • Injection site reactions
  • Fatigue (anecdotal)

Contraindications

  • Active malignancy (telomerase activation theoretical concern)
  • Pregnancy

Drug Interactions

  • Immunosuppressants

Primary Uses

Telomere elongationAnti-agingLongevityPineal modulation

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Disclaimer: This information is for educational and research purposes only. Not medical advice. Consult a qualified healthcare provider before using any compound.