Epitalon
Epitalon (Epithalon) is a synthetic tetrapeptide derived from the bovine pineal gland hormone Epithalamin, sitting at the theoretical apex of life-extension bioscience. Engineered by Russian researcher Vladimir Khavinson, it is the premier "Bioregulator" peptide, theorized to fundamentally reset the human biological clock at the chromosomal level. Clinically deployed in elite longevity protocols, it is utilized to drastically resynchronize circadian rhythms, restore deep melatonin production, and potentially reverse cellular senescence.
Quick Stats
Scientific Data
Mechanism of Action
Epitalon (Epithalon, Эпиталон) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) and the biologically active component of Epithalamin, a peptide extract from the pineal gland. Confirmed endogenous in pineal extracts in 2017. Developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology.
Epitalon operates through four complementary pathways: (1) TERT gene activation — inducing telomerase expression to elongate telomeres, (2) chromatin remodeling — decondensing heterochromatin to reactivate silenced genes, (3) melatonin synthesis — stimulating pineal gland melatonin production for circadian rhythm restoration, and (4) immune/antioxidant modulation. Studies show 33% average telomere length increase and 13.6% lifespan extension in Drosophila models.
Source: PMID: 12937225
Background & History
Epitalon (AEDG) is a synthetic tetrapeptide bioregulator developed by Vladimir Khavinson at the Saint Petersburg Institute of Bioregulation and Gerontology in the 1980s–90s. It was designed to mimic the effects of Epithalamin — a natural polypeptide extract from the pineal gland — through a shorter, more practical synthetic form. Khavinson's landmark 2003 study showed Epitalon induced telomerase activity in somatic cells, extending telomere length — one of the first peptides demonstrated to reverse a key biomarker of cellular aging. It has been used in Russian clinical practice for over 20 years.
Research Use Cases
- ✓Telomere length maintenance and telomerase activation
- ✓Melatonin restoration and circadian rhythm normalization
- ✓Retinal degeneration protection and vision preservation
- ✓Longevity and anti-aging protocols via cellular rejuvenation
- ✓Immune system modulation and cancer protective effects (preclinical)
Dosing Protocol
| Typical Dose | 5-10 mg/day |
| Frequency | 1× daily for 10-20 days, cycle 2-3× per year |
| Half-Life | ~2-4 hours (estimated) |
| Common Vial Sizes | 10 mg, 50 mg |
Dosing Protocols
Standard Course
Longevity Maintenance
Body-Weight Dosing Reference
Estimated doses extrapolated from the published research range of 5000–10000 mcg/day (referenced to 70 kg / 154 lb). These are approximations — consult a qualified healthcare provider for personalised guidance.
| Weight | Low Dose | Target Dose | High Dose |
|---|---|---|---|
| 120 lb(54 kg) | 3857 mcg | 5786 mcg | 7714 mcg |
| 140 lb(63 kg) | 4500 mcg | 6750 mcg | 9000 mcg |
| 160 lb(73 kg) | 5214 mcg | 7821 mcg | 10429 mcg |
| 180 lb(82 kg) | 5857 mcg | 8786 mcg | 11714 mcg |
| 200 lb(91 kg) | 6500 mcg | 9750 mcg | 13000 mcg |
| 220 lb(100 kg) | 7143 mcg | 10714 mcg | 14286 mcg |
| 250 lb(113 kg) | 8071 mcg | 12107 mcg | 16143 mcg |
💉 For exact syringe units based on your vial concentration, use the Epitalon Reconstitution Calculator →
Administration
Expected Timeline
Who Is It For?
Anti-Aging / Telomere Support
HighActivates telomerase via TERT gene expression. 35+ years of study, no toxicity reported.
Sleep & Circadian Restoration
HighStimulates pineal melatonin production, restoring circadian rhythm in aging patients.
Immune Modulation
ModerateDocumented immune-enhancing and anti-tumor properties in animal models.
Reconstitution Example
Safety & Considerations
Research peptide with 35+ years of study and 100+ peer-reviewed publications. No toxicity reported. 2017 confirmation of endogenous presence supports biological safety. Anti-cancer properties documented in animal models.
Regulatory & Legal Status
Not currently on the WADA 2026 Prohibited List. Policies may change — verify before competition.
Research Chemical
US Compounding: Not eligible / not available
⚠️ This information is for educational purposes only and may not reflect the most current regulatory updates. Always verify with official FDA, WADA, and jurisdiction-specific sources before use.
Interactions & Contraindications
Excellent safety profile across 30+ years of Russian clinical use. May potentiate sedative effects at night. Theoretically avoid with melanoma or retinal tumors (minimal risk but unestablished safety). Cycle-based dosing (10-day cycles) is the standard Khavinson protocol.
Synergies & Common Stacks
Both are Khavinson pineal bioregulators. Epitalon restores telomerase and melatonin production; Pinealon protects neuronal DNA and melatonin synthesis. Often used in sequence as a comprehensive pineal and longevity protocol.
Thymalin (thymic bioregulator) + Epitalon (pineal bioregulator) is the classic Khavinson longevity stack. Clinical data shows this combination reduces mortality risk in elderly subjects over 12-year follow-up.
Epitalon vs. Thymalin
| Attribute | Epitalon | Thymalin |
|---|---|---|
| Class | Pineal bioregulator (tetrapeptide) | Thymic bioregulator |
| Mechanism | Telomere elongation + pineal regulation | T-cell maturation + immune rejuvenation |
| Primary Use | Anti-aging, longevity, sleep, telomeres | Immune restoration, longevity |
| Research Base | Khavinson Institute trials (human) | Khavinson Institute trials (human) |
| Dose | 5–10 mg per course (1–2× yearly) | 5–20 mg per course (1–2× yearly) |
Verdict: Epitalon and Thymalin are both Khavinson Institute bioregulators used together in anti-aging longevity protocols. Epitalon targets telomere/pineal health; Thymalin targets immune system restoration. They're complementary, not competing.
Featured In Clinical Protocols
Anti-Aging & Cellular Longevity
Target biological aging mechanisms by optimizing growth hormone, activating telomerase, and altering gene expression toward youthful patterns.
Deep Sleep Architecture
Regulate erratic circadian rhythms and force entry into profound, restorative delta slow-wave sleep using targeted neurological peptides.
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Comprehensive stack combining peptides and targeted supplements to restore hormonal signaling, alleviate vasomotor symptoms, combat metabolic slowdown, and restore libido.
Dosing Quick Reference
Frequently Asked Questions
How does Epitalon extend lifespan?▼
What is the Epitalon dosing protocol?▼
Is Epitalon safe?▼
References
- Khavinson V et al. “"Tetrapeptide Epitalon activates telomerase in human somatic cells".” Bulletin of Experimental Biology and Medicine (2003). PMID: 12802339
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