Epithalon

Overview

Epitalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed by Khavinson as an analog of the bovine pineal extract Epithalamin. It is a research-only bioregulator — not FDA-approved — investigated for claimed telomerase activation and circadian/melatonin effects, with evidence limited primarily to Khavinson-group studies.

Mechanism of Action

Khavinson-group in vitro studies claim upregulation of telomerase activity / hTERT expression in cultured human somatic cells, with modulation of pineal melatonin secretion and circadian/age-related gene-expression markers. These mechanism claims have not been consistently replicated outside the originating research group.

Research Summary

The evidence base is dominated by the Khavinson group. A 2003 paper in Bulletin of Experimental Biology and Medicine (Khavinson, Bondarev, Butyugov; PMID 12937682) reported telomerase activation and telomere elongation in cultured human fetal fibroblasts. Additional Khavinson-group papers and reviews (e.g. 'Peptides and Ageing,' PMID 12374906) describe melatonin-rhythm normalization and claimed geroprotective effects in elderly Russian patients treated with epithalamin or epitalon in open-label / small-cohort studies over 6–12 year follow-up. These clinical studies have significant methodological limitations (open-label design, single-center, limited controls) and have NOT been independently replicated in rigorous Western controlled trials. There are no Phase 2/3 trials, no FDA approval, and no inclusion in Western clinical guidelines. Grey-market dosing of 5–10 mg SubQ daily for 10–20 day cycles, 1–2 times per year, is not clinically validated for any endpoint.

Vendors selling Epithalon

Scored vendors carrying Epithalon, ranked by trust grade. Grades are computed from indexed Certificates of Analysis. Full $/mg pricing is on the comparison page.

Prescribers who offer Epithalon

54 prescribers in our directory work with Epithalon, each confirmed from their own website. Peptides like Epithalon require a prescription from a licensed provider.

Reported Side Effects

• Limited human safety data — generally described as well-tolerated in Khavinson-group studies
• Injection site discomfort
• Theoretical concern: telomerase upregulation could potentially support growth of occult malignancy

Biomarkers researchers track for Epithalon

These biomarkers appear in the research literature as measures of response and safety for this compound.

Related Peptides

Compare Epithalon with Others

Research References

• Khavinson VK, Bondarev IE, Butyugov AA. Epithalon peptide induces telomerase activity and telomere elongation in human somatic cells. Bull Exp Biol Med. 2003;135(6):590-592. PMID: 12937682.
• Khavinson VK. Peptides and Ageing. Neuro Endocrinol Lett. 2002;23 Suppl 3:11-144. PMID: 12374906.
• Korkushko OV, Khavinson VK, Shatilo VB, Magdich LV. Effect of peptide preparation epithalamin on circadian rhythm of epiphyseal melatonin-producing function in elderly people. Bull Exp Biol Med. 2004;137(4):389-391. PMID: 15452611.

Frequently asked questions

Has Epithalon been independently lab-tested?

Disclosed Labs has collected 90 Certificates of Analysis (COA) for Epithalon from 14 independent testing labs. 31 vendors have submitted material for testing. Products average 99.3% tested purity across the corpus. Full testing data is available at https://www.disclosedlabs.com/peptides/epitalon/testing.

What is the average purity of Epithalon on the market?

Based on 90 COAs analyzed by Disclosed Labs, Epithalon products average 99.3% (±1.5%) tested purity. Individual vendor results vary; see per-vendor COA data at https://www.disclosedlabs.com/peptides/epitalon/coas.

Which labs have tested Epithalon?

Independent labs that have tested Epithalon include: ILS Labs (Grade A), Ethos Analytics (Grade B). Full lab credibility grades and profiles are at https://www.disclosedlabs.com/labs.

Where can researchers source Epithalon?

8 vendors with Disclosed Labs trust grades currently list Epithalon, including Glacier Aminos, Ion Peptide, Peptide Partners. Compare live prices and lab-verified COAs at https://www.disclosedlabs.com/prices/epitalon.

Which prescribers offer Epithalon with a prescription?

54 prescribers in the Disclosed Labs directory work with Epithalon, each confirmed from their own website. Epithalon requires a prescription from a licensed provider. Browse them at https://www.disclosedlabs.com/prescribers?peptide=Epithalon.

How does Epithalon work?

Khavinson-group in vitro studies claim upregulation of telomerase activity / hTERT expression in cultured human somatic cells, with modulation of pineal melatonin secretion and circadian/age-related gene-expression markers. These mechanism claims have not been consistently replicated outside the originating research group.

What does the research say about Epithalon?

The evidence base is dominated by the Khavinson group. A 2003 paper in Bulletin of Experimental Biology and Medicine (Khavinson, Bondarev, Butyugov; PMID 12937682) reported telomerase activation and telomere elongation in cultured human fetal fibroblasts. Additional Khavinson-group papers and reviews (e.g. 'Peptides and Ageing,' PMID 12374906) describe melatonin-rhythm normalization and claimed geroprotective effects in elderly Russian patients treated with epithalamin or epitalon in open-label / small-cohort studies over 6–12 year follow-up. These clinical studies have significant methodological limitations (open-label design, single-center, limited controls) and have NOT been independently replicated in rigorous Western controlled trials. There are no Phase 2/3 trials, no FDA approval, and no inclusion in Western clinical guidelines. Grey-market dosing of 5–10 mg SubQ daily for 10–20 day cycles, 1–2 times per year, is not clinically validated for any endpoint.