Epitalon

Four amino acids aimed at the cell’s ageing clock and the body clock, the flagship of the bioregulator family.

Evidence: DCommunity use what's this?
Grade D for use. Grade E cell data, now independently replicated; human data are weak.
Also known as: Epithalon · Epithalone · AEDG peptide
Class: Synthetic pineal tetrapeptide (Ala-Glu-Asp-Gly); Khavinson bioregulator

The 30-second version

WhatA simplified synthetic copy of epithalamin, an extract from the pineal gland.

Why people use itLongevity through telomerase, plus sleep and circadian rhythm in older adults.

The honest catchThe striking human mortality numbers are non-blinded, from one research group, and mostly used the extract.

What it is

The pineal gland makes melatonin and helps run your body clock, and its output fades with age. Epitalon was developed in St Petersburg as a four-amino-acid version of a pineal extract. It targets two things: the pineal gland, and telomeres, the protective caps on chromosomes that shorten with every cell division. It is registered as a bioregulator in its country of origin and is a research compound everywhere else.

How it works

Telomerase on. Raises hTERT activity, the enzyme that rebuilds telomeres and is usually switched off in adult cells.

Longer telomeres. In the dish, cells divide past their usual limit.

Pineal. Partly restores the ageing gland’s melatonin output.

Body clock. Steadier rhythm and sleep, and melatonin’s wider immune and metabolic effects.

The gap. No dose-response study links lab concentrations to what people inject.

What the research shows

In the lab: in human cells Epitalon raised telomerase and extended cell division¹. Importantly, an independent Western lab replicated telomere lengthening in human cell lines in 2025². In animals: it extended mouse lifespan and reduced spontaneous tumours³. Animal work also showed restored melatonin rhythms. In people: a 266-person elderly programme reported lower mortality, especially combined with thymalin, and a long follow-up reported roughly 25% lower overall and about 50% lower cardiovascular mortality^4,5. Those studies were non-blinded, came from a single group, and mostly used the extract rather than the synthetic peptide.

More human data than most longevity peptides. Still not proof by modern standards.

Evidence at a glance

Use	Grade	Best evidence	Main gap	Read
Telomerase and telomeres	ELab & animal	Lengthened telomeres, independently replicated^1,2	Cell level; dose gap	Real
Lifespan and tumours	ELab & animal	Longer life, fewer tumours in mice³	Animal only	Supportive
Human mortality	BHuman trials	Lower mortality in elderly cohorts^4,5	Non-blinded, extract	Suggestive
Melatonin and sleep	DCommunity use	Partial rhythm restoration	Limited	Plausible

Dosing: what has been reported

Not a recommendation. These figures describe what was studied or what circulates in practice, kept separate so you can see how solid each one is. Speak with a qualified clinician before acting on any of it.

Setting	Figure	Route	Grade
Published human	Mostly the extract on course schedules; no validated synthetic dose	—	—
Community	~5–10 mg/day for 10–20-day courses, 1–4 times a year	Subcutaneous	D

The bioregulator approach uses short pulsed courses rather than continuous use. Some people dose at night because of the melatonin link, though Epitalon isn’t a sedative.

Preparing & storing

Reconstitute with bacteriostatic water, refrigerate and handle gently. Rotate injection sites across a course.

Reported side effects

Mild injection-site redness or a lump
Occasional drowsiness, in line with the melatonin effect
Uncommon mild headache

The long Russian studies reported good tolerance. The effect you might notice is on sleep. Any effect on lifespan can’t be felt or measured in the short term.

Who should avoid it

Active or past cancer. Telomerase is what cancer cells use to divide endlessly. Mice showed fewer tumours, not more, but this isn’t resolved in humans.
Pregnancy and breastfeeding
Anyone with a serious condition or on regular medication: get medical input

Regulatory status checked Oct 2026

Body	Status	Detail
FDA (US)	Not approved	Under compounding review; research use only.
EMA (EU)	Not approved	No marketing authorisation.
CDSCO (India)	Not approved	Registered as a bioregulator in its country of origin.
WADA	Not named	S0 could apply to an unapproved injectable.

The NexGen read

The most credible bioregulator

Epitalon’s telomere effect has now been replicated outside its home lab, and its human data were gathered in older adults, which is the right population. Those human studies are still weak, there’s no validated dose, and the cancer question is open.

References

Khavinson VKh, 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
Al-Dulaimi S, Thomas R, Matta S, Roberts T. Epitalon increases telomere length in human cell lines through telomerase upregulation or ALT activity. 2025. PMID 40908429
Anisimov VN, Khavinson VKh, Provinciali M, et al. Effect of Epitalon on biomarkers of aging, life span and spontaneous tumor incidence in female SHR mice. Biogerontology. 2003;4(4):193–202.
Korkushko OV, Khavinson VKh, Shatilo VB, Antonyuk-Shcheglova IA. Peptide geroprotector from the pineal gland inhibits ageing of the cardiovascular system. Bull Exp Biol Med. 2006. (Extract, non-blinded)
Khavinson VKh, Morozov VG. Peptides of pineal gland and thymus prolong human life. Neuroendocrinol Lett. 2003;24(3–4):233–240. (Extract, non-blinded)