Epitalon
Epithalon (epitalon) is a synthetic tetrapeptide studied in telomere and pineal-axis research models.
The most audacious pitch in the series: four amino acids aimed straight at the aging countdown itself.
We have not published an audit on Epitalon. Everything below is reference material, not our own reading of the literature, treat it as a starting point for questions, not as a grade.
How it is thought to work
Telomerase/circadian-related signaling (largely preclinical).
Epitalon is a four-amino-acid peptide studied for its potential effects on telomeres (the protective caps on DNA) and the body's sleep/melatonin clock, with lab and animal research suggesting it may raise telomerase activity and support circadian rhythms, though no large blinded human trial has confirmed these effects.
Reported side effects
The most commonly reported side effects are mild injection-site reactions (redness, soreness, or a small bump), mild drowsiness with evening dosing, and occasional headache or temporary sleep changes at the start of a cycle, though the larger concern is unknown long-term safety and a theoretical risk related to telomerase activation in people with cancer history.
Who should avoid it
People with a history of cancer are specifically flagged as cautious cases because epitalon may activate telomerase, which could theoretically encourage unwanted cell division, and beyond that, anyone should be aware that long-term human safety data are limited for this unapproved, research-use-only compound.
What sources report
These are figures published elsewhere, reproduced with their source. Peppersite does not recommend an amount for Epitalon or for anything else, and nothing below has been checked against the study it came from.
| Amount | Frequency | Route | Reported by |
|---|---|---|---|
| 5-10 mg per day | Once daily | subcutaneous or oral | Peptide Protocol WikiWhat it saysHide(secondary reference; provider confirmation required). |
| Standard: 5 mg/day · High: 10 mg/day | 2-3 times per year20 days · short cycle | SubQ | Peptide Dosing ProtocolsWhat it saysHide(secondary reference; provider confirmation required). Half-life: half-life of epitalon? Epitalon clears the bloodstream very quickly, on the order of minutes, whic. The standard dosing for Epitalon is 5 mg per day for 20 days. |
| Referenced at 10 mg daily for 10 days followed by a break; longevity stacking contexts cite 2-3 cycles per year. General dosage guideline of 5-10 mg per cycle also referenced. | Daily during 10-day cycle · Evening cited for sleep-phase cellular repair; morning for circadian alignment10-day cycles, 2-3 per year | subcutaneous or nasal | Peptide Therapy Reference Text, internal KB v4What it saysHide(Aug 2026), secondary reference; provider confirmation required. |
- Once daily
- subcutaneous or oral
- Peptide Protocol Wiki
What it saysHide
(secondary reference; provider confirmation required).
- 2-3 times per year20 days · short cycle
- SubQ
- Peptide Dosing Protocols
What it saysHide
(secondary reference; provider confirmation required). Half-life: half-life of epitalon? Epitalon clears the bloodstream very quickly, on the order of minutes, whic. The standard dosing for Epitalon is 5 mg per day for 20 days.
- Daily during 10-day cycle · Evening cited for sleep-phase cellular repair; morning for circadian alignment10-day cycles, 2-3 per year
- subcutaneous or nasal
- Peptide Therapy Reference Text, internal KB v4
What it saysHide
(Aug 2026), secondary reference; provider confirmation required.
- Bacteriostatic water
- Add 2.0 mL BAC water to a 10 mg vial.
Common questions
What is epitalon and what is it used for?
Epitalon is a synthetic four-amino-acid peptide studied for aging, mainly for its effect on telomeres and the sleep-melatonin cycle.
What does epitalon do?
In lab studies, epitalon raised telomerase activity and allowed cells to divide more times than usual.
How is epitalon commonly dosed in research?
Common dosing is about 5 mg per day by subcutaneous injection for 20 days, or 10 mg per day for 10 days, repeated two to three times a year.
How do you reconstitute epitalon?
For a 10 mg vial, add 2.0 mL of bacteriostatic water to achieve a concentration of 5 mg/mL.
Check 10 mg in 2 mL in the calculator →When should epitalon be taken, and where is it injected?
Most protocols use evening dosing and the common route is subcutaneous injection into the fat under the skin.
What is the half-life of epitalon?
Epitalon clears the bloodstream very quickly, on the order of minutes.
What are the side effects of epitalon?
Reported side effects are usually mild and injection-related, such as redness or soreness at the site.
Is epitalon FDA-approved?
No, as of June 2026, epitalon is not FDA-approved for any use.
Sources
- 01Khavinson VKh, Bondarev IE, Butyugov AA Epithalon peptide induces telomerase activity and telomere elongation in human somatic cells. Bulletin of Experimental Biology and Medicine (2003)
- 02Korkushko OV, Khavinson VKh, Shatilo VB, Antonyuk-Shcheglova IA Geroprotective effect of epithalamine (pineal gland peptide preparation) in elderly subjects with accelerated aging. Bulletin of Experimental Biology and Medicine (2006)
- 03Khavinson VKh, et al. Effects of long-term peptide bioregulator administration on mortality in elderly subjects (clinical program). Neuroendocrinology Letters (2003)
- 04Korkushko OV, Khavinson VKh, Shatilo VB, Magdich LV Effect of peptide preparation epithalamin on circadian rhythm of pineal melatonin function in elderly people. Bulletin of Experimental Biology and Medicine (2004)
- 05Anisimov VN, Khavinson VKh, et al. Effect of Epitalon on biomarkers of aging, life span and spontaneous tumor incidence in female SHR mice. Biogerontology (2003)
- 06Khavinson V, Goncharova N, Lapin B Synthetic tetrapeptide epitalon restores disturbed neuroendocrine regulation in senescent monkeys. Neuroendocrinology Letters (2001)
- 07Al-Dulaimi T, et al. Epitalon increases telomere length in human cell lines through telomerase upregulation or ALT activity. Biogerontology (2025)
- 08Cognitive Vitality, Alzheimer's Drug Discovery Foundation Epithalamin and Epithalon: research assessment of evidence and safety. Alzheimer's Drug Discovery Foundation (2021)
- 09U.S. Food and Drug Administration Epitalon regulatory status: not an FDA-approved drug; research-use context. FDA.gov (2026)
The reference sections above are imported from our compound knowledge base, which classes the evidence for Epitalon as theoretical. That classification is the knowledge base’s, not ours, our own grade appears only where an audit is linked above. Research use only; nothing here is medical advice or a protocol.
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