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Research & Educational Use Only. This protocol guide is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before beginning any research protocol.
Longevity / Telomere Peptide Evidence Grade: B (Human & Animal Data)

Epithalon Protocol Guide

Epithalon (Epitalon) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) originally developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology. It is the synthetic version of the naturally occurring Epithalamin, extracted from the pineal gland. Epithalon is researched primarily for its ability to activate telomerase, the enzyme responsible for maintaining telomere length, and for regulating melatonin production. This protocol covers reconstitution from a 10mg vial, subcutaneous dosing at 5mg/day split AM/PM across 10-20 day cycles, and longevity stacking recommendations.

Protocol Overview

Compound
Epithalon (Epitalon / Epithalamin)
Category
Longevity / Telomere Bioregulator
Mechanism
Activates telomerase enzyme to elongate telomeres, regulates melatonin synthesis in the pineal gland, modulates neuroendocrine aging markers
Sequence
4 amino acids (Ala-Glu-Asp-Gly)
Half-Life
~2-4 hours
Vial Size
10mg lyophilized powder
Route
Subcutaneous injection
Frequency
Twice daily (AM/PM)
Cycle Length
10-20 days, then 4-6 month break

Dosing Protocol

ProtocolDoseFrequencyRouteDuration
Standard (Khavinson)5 mg/day (2.5mg x2)2x daily (AM/PM)Subcutaneous10 days, repeat q4-6 months
Extended Cycle5 mg/day (2.5mg x2)2x daily (AM/PM)Subcutaneous20 days, repeat q6 months
Low-Dose Protocol2.5 mg/day1x daily (PM)Subcutaneous10-20 days, repeat q4-6 months

Key principle: Epithalon is administered in short, intensive cycles rather than continuously. The 10-20 day cycle with extended breaks mimics the original research protocol and allows telomerase response without downregulation.

Reconstitution Instructions

Materials Needed

  • Epithalon 10mg lyophilized vial
  • Bacteriostatic water (2mL)
  • 3mL mixing syringe (18-20ga)
  • Insulin syringes (29-31ga) for dosing
  • Alcohol swabs

Reconstitution Steps

  1. Clean vial stopper with alcohol
  2. Draw 2mL bacteriostatic water
  3. Inject slowly down the vial wall
  4. Gently swirl (never shake)
  5. Wait 5 minutes for full dissolution
  6. Concentration: 5,000 mcg/mL
DoseVolume (2mL recon)Insulin Syringe
500 mcg0.10 mL10 units
1,000 mcg (1mg)0.20 mL20 units
2,500 mcg (2.5mg)0.50 mL50 units
5,000 mcg (5mg)1.00 mL100 units

Administration Guide

Injection Sites

  • Abdomen: 2 inches from navel, rotate quadrants
  • Thigh: Outer thigh, alternate sides
  • Upper arm: Back of the arm, alternate

Timing & Storage

  • AM dose: Morning upon waking
  • PM dose: Evening, 30-60 min before bed
  • Storage (reconstituted): Refrigerate 2-8°C, use within 30 days
  • Vial duration: ~2 days at 5mg/day
  • Do not freeze reconstituted solution

Expected Timeline

Day 1-3
Protocol initiation. Some subjects report improved sleep quality within the first few days, likely due to melatonin regulation effects.
Day 4-7
Continued sleep improvements. Early telomerase activation at the cellular level (not directly perceptible). Subjects may notice improved circadian rhythm regulation.
Day 8-14
Mid-to-end of standard cycle. Subjects commonly report improved energy, sleep depth, and subjective wellbeing. Telomerase activation continues.
Day 15-20
Extended cycle completion. Maximum acute benefits from the cycle. Cellular-level effects continue to develop even after cessation.
Post-Cycle
Telomerase effects persist for months after the cycle ends. Schedule next cycle in 4-6 months. Consider telomere length testing to track long-term progress.

Side Effects & Monitoring

Common Side Effects

  • Injection site redness or mild irritation (transient)
  • Drowsiness (related to melatonin regulation)
  • Vivid dreams (commonly reported)
  • Mild headache (uncommon, usually day 1-2)

Epithalon has an excellent safety profile in published research with no significant adverse effects reported across multiple human studies spanning decades.

Precautions

  • Cycling is essential - do not run continuously
  • Theoretical concern with telomerase activation in existing cancers
  • Avoid if active malignancy or cancer history (precautionary)
  • Not recommended during pregnancy or breastfeeding

Stacking Recommendations

Compatible Compounds

  • FOXO4-DRI: Senolytic for clearing senescent cells alongside telomere maintenance
  • NAD+: Cellular energy and sirtuin activation
  • MOTS-c: Mitochondrial longevity peptide
  • GHK-Cu: Gene expression reset and tissue repair
  • Thymosin Alpha-1: Immune system support during aging

Popular Stacks

  • Longevity Stack: Epithalon cycle + NAD+ daily + MOTS-c
  • Anti-Aging Stack: Epithalon + GHK-Cu + FOXO4-DRI
  • Immune Longevity: Epithalon + Thymosin Alpha-1

Blood Work Recommendations

PanelMarkersTiming
Telomere LengthTelomere length assay (e.g., TeloYears)Baseline, 3 months post-cycle
HormonalMelatonin (salivary, AM/PM), cortisolBaseline, end of cycle
Basic PanelCBC, CMPBaseline
InflammatoryCRP, IL-6Baseline, 1 month post-cycle

Telomere length testing is the most relevant biomarker for tracking Epithalon efficacy. Results may take 2-3 cycles to show measurable changes.

Related Resources

Epithalon Compound Profile Thymosin Alpha 1 Protocol SS-31 Protocol Humanin Protocol Dosing Calculator Reconstitution Calculator Bloodwork Planner Stack Checker Peptide Catalog
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📖 Encyclopedia Article
Epithalon — Complete Research Guide
Mechanism of action, clinical evidence, pharmacokinetics & references
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