Epitalon (Epithalon) (10 mg Vial) Dosage Protocol
Quickstart Highlights
Epitalon (Epithalon) dosage protocols center on this synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed from pineal gland research for its geroprotective potential[1]. Epitalon activates telomerase to promote telomere elongation, supports healthy melatonin production for improved sleep and circadian rhythm regulation, and has demonstrated lifespan extension in animal models[2][3]. Human studies suggest potential benefits for longevity, cardiovascular health, and physiological function in older adults[4]. This educational protocol presents a once-daily subcutaneous approach using a practical dilution for clear insulin-syringe measurements.
- Reconstitute: Add 2.0 mL bacteriostatic water → 5 mg/mL concentration.
- Typical daily dose: 5,000 mcg (5 mg) once daily for 20 consecutive days.
- Easy measuring: At 5 mg/mL, 1 unit = 0.01 mL = 50 mcg on a U-100 insulin syringe.
- Storage: Lyophilized: freeze at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F); avoid freeze–thaw cycles.
Dosing & Reconstitution Guide
Educational guide for reconstitution and daily dosing
5 mg Vial Protocol (2 mL = 2.5 mg/mL)
| Phase | Daily Dose (mcg) | Units (per injection) (mL) |
|---|---|---|
| Days 1–20 (Cycle On) | 5,000 mcg (5 mg) | 200 units (2.00 mL) - Requires 2 injections |
Note: 5 mg vials require reconstitution with 2.0 mL water to achieve 2.5 mg/mL concentration. The full 5 mg dose (5,000 mcg) would require 2.0 mL injection volume, which exceeds standard insulin syringe capacity. For 5 mg vials, either split into two injections or use larger syringe.
10 mg Vial Protocol (2 mL = 5 mg/mL) - RECOMMENDED
| Phase | Daily Dose (mcg) | Units (per injection) (mL) |
|---|---|---|
| Days 1–20 (Cycle On) | 5,000 mcg (5 mg) | 100 units (1.00 mL) |
| Weeks 4–26 (Cycle Off) | 0 mcg | — |
20 mg Vial Protocol (4 mL = 5 mg/mL)
| Phase | Daily Dose (mcg) | Units (per injection) (mL) |
|---|---|---|
| Days 1–20 (Cycle On) | 5,000 mcg (5 mg) | 100 units (1.00 mL) |
Reconstitution: Add 4.0 mL bacteriostatic water → 5 mg/mL concentration. Each vial provides 20 days of 5 mg daily dosing.
Supplies Needed
Plan based on a 20-day daily protocol at 5 mg/day using 10 mg vials (recommended).
- Peptide Vials (Epitalon, 10 mg each): 20-day cycle → 10 vials (each vial yields 2 doses)
- Insulin Syringes (U-100, 1 mL capacity): 20-day cycle → 20 syringes (1/day for 5 mg dose)
- Bacteriostatic Water (10 mL bottles): 2.0 mL per vial → 20 mL → 2 × 10 mL bottles
- Alcohol Swabs: 2 per day → 40 swabs → 1 × 100-count box
Protocol Overview
Concise summary of the once-daily regimen.
- Goal: Support telomere maintenance, melatonin regulation, and geroprotective effects over time[2].
- Schedule: Daily subcutaneous injections for 20 consecutive days, followed by 4–6 months off-cycle.
- Dose: 5,000 mcg (5 mg) daily (standard).
- Reconstitution: 2.0 mL per 10 mg vial (5 mg/mL) for standard dosing.
- Storage: Lyophilized frozen; reconstituted refrigerated; avoid repeated freeze–thaw.
Dosing Protocol
Suggested daily approach based on published research protocols.
- Standard Dose: 5,000 mcg (5 mg) once daily subcutaneously[5] for 20 consecutive days.
- Alternative: 10,000 mcg (10 mg) once daily for 10 days (same total cycle dose of 100 mg).
- Frequency: Once per day (subcutaneous), preferably at bedtime.
- Cycle Length: 20 days on (standard) or 10 days on (alternative), then 4–6 months off.
- Timing: Evening administration recommended; rotate injection sites daily.
Storage Instructions
Proper storage preserves peptide quality.
- Lyophilized: Store at −20 °C (−4 °F) for long-term; refrigerate at 2–8 °C (35.6–46.4 °F) for routine storage; minimize moisture exposure[6].
- Reconstituted: Refrigerate at 2–8 °C (35.6–46.4 °F); use within 2–4 weeks and avoid freeze–thaw[7].
- Allow vials to reach room temperature before opening to reduce condensation uptake.
- Protect from light; wrap vials in foil or store in opaque container.
Important Notes
Practical considerations for consistency and safety.
- Use new sterile insulin syringes for each injection; dispose in a sharps container.
- Rotate injection sites (abdomen, thighs, upper arms) to reduce local irritation[8].
- Inject slowly; wait a few seconds before withdrawing the needle.
- Document daily dose and site rotation to maintain consistency.
- Reconstitute one vial at a time (every 1-2 days) to keep solutions fresh.
- Evening administration is preferred to align with natural melatonin production cycles.
How This Works
Epitalon's primary mechanism involves telomerase activation, promoting telomere elongation in cells[2]. In vitro studies demonstrated that Epitalon induced telomerase and lengthened telomeres in human cell cultures, allowing cells to continue dividing beyond the usual Hayflick limit[9]. Epitalon also influences the neuroendocrine system by stimulating nocturnal melatonin release from the pineal gland, thereby normalizing circadian hormone rhythms in aged subjects[3]. Additional reported effects include antioxidant activity, genomic regulatory effects, and immune modulation[1].
Human clinical studies have shown promising results, including a 12-year randomized controlled trial demonstrating improved cardiovascular outcomes and reduced mortality in elderly subjects with accelerated aging[4]. Animal models have shown lifespan extension and reduced tumor incidence with Epitalon administration[1].
Potential Benefits & Side Effects
Observations from preclinical and clinical literature.
- Supports telomere maintenance and cellular longevity through telomerase activation[2][9].
- Restores healthy melatonin production and circadian rhythm regulation[3].
- Extended lifespan and reduced tumor incidence observed in animal models[1].
- Human trials showed improved cardiovascular outcomes and reduced mortality over 12-year follow-up[4].
- Generally well tolerated; no serious adverse events reported in long-term studies[5].
- Occasional mild injection-site reactions or transient sleep pattern changes may occur.
- Effects are cumulative over cycles; benefits may become more apparent with repeated annual protocols.
Lifestyle Factors
Complementary strategies for best outcomes.
- Prioritize sleep hygiene and maintain consistent sleep-wake schedules to complement melatonin effects.
- Pair with a balanced, antioxidant-rich diet to support cellular health and reduce oxidative stress.
- Engage in regular physical activity to reinforce metabolic and cardiovascular adaptations.
- Manage stress through mindfulness or relaxation techniques to support circadian balance.
- Maintain healthy body composition and metabolic parameters to support longevity pathways.
- Consider complementary supplements like melatonin (low dose), NAD+ precursors, or antioxidants.
Injection Technique
General subcutaneous guidance from clinical best-practice resources[8][10][11].
- Clean the vial stopper and skin with alcohol; allow to dry completely.
- Pinch a skinfold; insert the needle at 45–90° into subcutaneous tissue[10][11].
- Do not aspirate for subcutaneous injections; inject slowly and steadily[10].
- Rotate sites systematically (abdomen, thighs, upper arms) to avoid lipohypertrophy[8].
- Withdraw the needle at same angle; apply gentle pressure with clean gauze.
- Dispose of used syringes immediately in a proper sharps container.
- Maintain at least 1–2 inches between injection sites to prevent tissue irritation.
Recommended Source
We recommend Legion Peptides for high-purity Epitalon (10 mg).
Why Legion Peptides?
- High-purity, third-party-tested lots with batch Certificates of Analysis (COAs).
- Consistent, ISO-aligned handling and comprehensive documentation.
- Reliable fulfillment with proper cold-chain management to maintain peptide integrity.
- Transparent sourcing and quality control procedures for research-grade peptides.
Important Note
This content is intended for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Epitalon is for research use only and not intended for human consumption. Always consult with qualified healthcare professionals before considering any peptide protocol. This information is provided for research and educational purposes only.
References
- Int J Mol Sci (MDPI) — Overview of Epitalon: Highly Bioactive Pineal Tetrapeptide with Promising Properties (2025)
- PMC/Biogerontology — Epitalon increases telomere length in human cell lines through telomerase upregulation
- Neuroendocrinology Letters (PubMed) — Synthetic tetrapeptide Epitalon restores neuroendocrine regulation in senescent monkeys
- Bull Exp Biol Med (PubMed) — Geroprotective effect of epithalamine in elderly with accelerated aging (12-year RCT)
- Alzheimer's Drug Discovery Foundation — Epithalamin/Epitalon Cognitive Vitality Report (mechanisms, dosing, safety)
- JPT Peptide Technologies — Peptide Stability: How Long Do Peptides Last? (storage best practices)
- Tydes Laboratory — Bacteriostatic Water and Peptide Reconstitution (28-day use guideline)
- Johns Hopkins Arthritis Center — How to Give a Subcutaneous Injection (patient education guide)
- Wikipedia — Epitalon (overview of Hayflick limit studies and telomerase activation)
- CDC — Vaccine administration: subcutaneous route (angle/site; no aspiration)
- Immunize.org (IAC) — How to Administer Subcutaneous Injections (CDC-backed guidelines)
