Epithalon
Human ResearchEpithalon
A synthetic pineal tetrapeptide researched for telomerase activation. Note: the commonly repeated 5-10 mg dose comes from Epithalamin, a crude extract — Epithalon itself is discussed in micrograms.
Dose
100-500 mcg
Route
SubQ injection, Nasal spray
Cycle
10-20 days on
Storage
Refrigerated (2-8°C)
What is Epithalon?
Epithalon (Ala-Glu-Asp-Gly) is a synthetic tetrapeptide modeled on epithalamin, a crude polypeptide extract of bovine pineal glands. Research suggests its primary mechanism involves activation of telomerase, the enzyme that maintains and elongates telomeres, the protective caps on chromosome ends. Additional research protocols investigate antioxidant properties, pineal gland modulation, melatonin secretion and circadian rhythm effects. An important dosing distinction is often missed. The widely repeated 5-10 mg per day figure traces back to studies using Epithalamin, the crude extract, not the purified synthetic peptide. Epithalamin contains a mixture of components of which only a fraction is the active peptide, so a large milligram dose was needed. Primate comparisons suggest a potency differential on the order of several hundred fold, and a Drosophila antioxidant model suggested roughly 1000-fold, with Epithalon outperforming Epithalamin despite far lower dosing. Allometric scaling of the effective mouse treatment-day dose (about 1 microgram per mouse, 5 consecutive days per month) gives a human equivalent of roughly 190-230 mcg per treatment day for a 70 kg adult. In vitro data also show a non-monotonic response, with peak telomere elongation around 0.2 mcg/mL and weaker effects at higher concentrations. Taken together, current analysis places Epithalon in the low microgram range rather than the milligram range.
Key Benefits
- Telomerase activation
- Telomere elongation
- Reduced mortality in studies
- Antioxidant effects
- Immune support
- Tumor inhibition research
Mechanism of Action
- Activates telomerase enzyme
- Promotes telomere elongation
- Reduces oxidative stress
- Regulates pineal gland function
Best For
- Longevity research
- Anti-aging
- Cellular health research
Body Systems
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Molecular Information
Molecular weight
390.34 g/mol
Length
4
Type
Synthetic Peptide
Amino acid sequence
Ala-Glu-Asp-Gly
Alanine-Glutamic acid-Aspartic acid-Glycine
Research Indications
Telomerase Activation
Widely discussed in research for its ability to activate the enzyme telomerase, which helps maintain telomere length, a key marker of cellular aging.
Cellular Lifespan Extension
Research indicates potential for extending the replicative lifespan of cells in vitro and in animal models.
Reduced Mortality
Some animal studies have shown a reduction in mortality rates and an increase in average lifespan.
Research Protocols
| Goal | Dose | Frequency | Route |
|---|---|---|---|
| General Anti-Aging & Telomerase Support (SubQ) | 100-300 mcg | Daily for 10 days, repeated monthly (10 on / 20 off) | Subcutaneous injection |
| Conservative / Entry Protocol | 100 mcg | Daily for a 10-day block | Subcutaneous injection |
| Upper End of Discussed Range | 500 mcg | Daily for a 10-day block | Subcutaneous injection |
| Intranasal Route | 100-250 mcg per nostril | Daily for 10-20 days | Nasal spray (reconstituted in sterile saline) |
| Legacy Long-Cycle (twice yearly) | 100-300 mcg | Daily for 20 days, twice per year | Subcutaneous injection |
These figures are in micrograms, not milligrams. The 5-10 mg advice circulating online is based on Epithalamin, a crude pineal extract, not on Epithalon. In vitro data also show a non-monotonic dose response - telomere elongation peaked at a low concentration and declined at higher ones - so more is not better here.
Peptide Interactions
- Monitor Combination
Melatonin
Epithalon may influence pineal gland function, which affects melatonin production. Co-administration should be monitored for synergistic or antagonistic effects on sleep and circadian rhythm.
- Compatible
Other Anti-Aging Compounds (e.g., NAD+ precursors)
Research protocols often explore Epithalon in conjunction with other compounds targeting different pathways of aging. No known negative interactions, but specific synergistic effects are under investigation.
- Use Caution
Immunosuppressants
Given Epithalon's potential immune modulating effects, caution is advised when co-administering with immunosuppressive medications. Monitoring of immune markers is recommended in research settings.
- Compatible
Antioxidants (e.g., Vitamin C, E)
Epithalon itself is thought to have antioxidant properties. Co-administration with other antioxidants is generally considered compatible, potentially enhancing overall antioxidant capacity.
- Monitor Combination
Stimulants
While not directly interacting, any changes in sleep or energy levels from Epithalon could potentially alter the perceived effects of stimulants. Monitoring is recommended.
How to Reconstitute
- 1Gather Epithalon vial, bacteriostatic water (BW), sterile syringe (e.g., 1mL), and alcohol wipes.
- 2Carefully remove the protective cap from the Epithalon vial and wipe the rubber stopper with an alcohol wipe.
- 3Draw the desired amount of bacteriostatic water into the syringe. A common ratio is 1ml of BW per 5mg or 10mg vial.
- 4Insert the syringe needle into the Epithalon vial and slowly inject the bacteriostatic water, allowing it to run down the inside wall of the vial.
- 5Do not inject directly onto the lyophilized powder. Avoid shaking the vial; gently swirl until the powder is fully dissolved.
- 6Once dissolved, the solution is ready for administration. Store according to guidelines.
Always use bacteriostatic water for reconstitution in research settings to preserve the peptide's integrity and prevent bacterial growth.
What to Expect
- Days 1-10 (first cycle): the most commonly reported observation is a shift in sleep quality or depth, consistent with the pineal/melatonin mechanism.
- Weeks 2-4: variable reports of energy and general well-being; nothing dramatic should be expected.
- Months 2-3 (after repeated cycles): any telomere or longevity-related effects are cellular and not something you will feel; they are inferred from lab work, not sensation.
- Going above the microgram range is not expected to speed anything up and may reduce the effect based on in vitro dose-response data.
Side Effects & Safety
| Effect | Frequency | Severity |
|---|---|---|
| Injection site irritation | Uncommon | Mild |
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