Reviewed by the PeptideMind Team · Updated August 5, 2026

Epitalon (Epithalon) Peptide Dosage Calculator, Benefits & Side Effects

Epitalon (Epithalon) peptide dosage calculator plus a full guide for telomere and longevity research: protocols, benefits, side effects, and dosing scoped to this peptide.

Basic Dosage Calculator

Calculate peptide doses with our visual syringe guide.

Peptide per vial

Target research quantity

Bac water added

As seen on

Epitalon Dosage Schedule

A focused twenty day cycle studied for activating telomerase, an enzyme linked to cell aging. Meant to be run as a short course once or twice a year rather than continuously.

Epitalon 20 Day Longevity Cycle

3 weeks split across multiple phases, focused on longevity.

Daily dosing

Taken daily.

5 mg per injection

5 mg per injection, given just under the skin in the abdomen or thigh.

Epitalon may help activate telomerase, an enzyme linked to cell aging, and is typically used in short cycles rather than continuously. A full twenty day cycle usually totals around 100 mg, and the cycle is generally repeated once or twice per year rather than run back to back.

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What is Epitalon?

Epitalon is a short, lab-made peptide based on a natural substance from the pineal gland (the part of the brain that helps regulate sleep and aging). It's studied for its potential to activate an enzyme (telomerase) that helps protect the caps on the ends of your DNA, which may help cells stay healthier and function longer. It's popular in longevity research and among biohackers interested in slowing cellular aging, resetting sleep-wake cycles, and general anti-aging support.

Longevity

Research targets include cellular aging, senescence, and long-term healthspan.

Immunity

Research targets include immune cell activity, inflammatory response, and infection defense.

Longevity

epi

Immunity

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What Does Epitalon Do?

It activates an enzyme (telomerase) that rebuilds the protective caps on the ends of chromosomes, helping cells avoid the wear-and-tear that normally pushes them toward aging. It also nudges the pineal gland to produce melatonin and reduces cell-damaging oxidative stress.

Rebuilds telomeres

Activates an enzyme that restores the protective caps on chromosome ends.

Supports the pineal gland

Nudges the pineal gland to produce melatonin.

Reduces cell damage

Cuts down oxidative stress that contributes to cellular aging.

Frequently Asked Questions About Epitalon

Straight answers on reconstitution, dosing, and safety, everything you need to research with confidence. For research reference only.

Epitalon (also spelled Epithalon or Epithalone) is a synthetic tetrapeptide with the amino acid sequence Ala-Glu-Asp-Gly (AEDG). It is modeled on epithalamin, a natural peptide preparation derived from the pineal gland, and is best known in research circles for its investigated effects on telomere biology and aging. It is sold as a research chemical and is not an FDA-approved drug or supplement for human use.

Epitalon is small enough to enter cells and reach the nucleus. Preclinical research suggests it can influence expression of telomerase reverse transcriptase (TERT), the catalytic subunit of telomerase, the enzyme that extends telomeres at the ends of chromosomes. Some studies also report effects on melatonin regulation and the pineal gland's circadian signaling. These findings come mainly from cell-culture and animal studies, with more limited human data, so the mechanism is not considered fully established.

Published research protocols and vendor/clinic guides commonly describe doses in the range of 5-10 mg per day, administered for a short course of roughly 10-20 consecutive days, followed by a rest period (protocols often cite repeating a cycle every 3-6 months). There is no officially approved or standardized human dosage, and any figures found online reflect research or off-label practice rather than a regulatory guideline.

In research and clinical-style use, Epitalon is most commonly reconstituted with bacteriostatic or sterile water and given by subcutaneous injection. Oral and nasal spray forms are also sold, but peptides like Epitalon are generally understood to have poor oral bioavailability because they can be broken down in the digestive tract, so injectable administration is the form used in most published studies.

Available human trial data (including an older study of roughly 162 patients) reported no serious adverse effects, and Epitalon is generally described as well tolerated. Commonly mentioned mild effects include injection-site redness or irritation, headache, fatigue, vivid dreams, or sleep disturbances if dosed close to bedtime. Long-term human safety data remain limited, and independent, large-scale clinical trials are lacking.

Because Epitalon has been shown in some studies to upregulate telomerase-related gene expression, and telomerase activity is also associated with cancer cell proliferation, researchers have flagged a theoretical concern for individuals with a personal or family history of cancer. Some newer research distinguishes between effects in normal cells versus cancer cells (including an alternative telomere-lengthening pathway seen only in cancer cell lines), but this area is still being studied, and a comprehensive human safety profile has not been established. It should not be used as a substitute for medical care.

In research and biohacking communities, Epitalon is frequently paired with other peptides such as BPC-157 (tissue repair) or growth-hormone secretagogues like sermorelin or ipamorelin/CJC-1295, on the reasoning that they act through different pathways. A typical approach uses a longer 8-12 week cycle for GH-related peptides with a shorter 10-14 day Epitalon 'burst' nested within it. There is no controlled clinical trial data on these specific combinations, so claims of complementary or synergistic effects are based on proposed mechanisms and anecdotal reports rather than confirmed outcomes.

Epitalon is not approved by the FDA or most other regulatory agencies as a drug or dietary supplement for human use. It is widely sold by research chemical suppliers labeled 'for laboratory/research use only, not for human consumption,' which is the legal basis under which most vendors operate. Regulations vary by country, and buyers are responsible for checking local rules; products purchased this way are not subject to the manufacturing and purity oversight required of approved pharmaceuticals.

Epitalon Reconstitution Guide

Epitalon is supplied as a freeze-dried powder that must be mixed into a injectable solution before use. Available in 10mg, 20mg, 50mg sizes.

10 mg lyophilized vial

Epitalon is supplied as a freeze-dried powder that must be mixed into a injectable solution before use. Available in 10mg, 20mg, 50mg sizes.

2 mL bacteriostatic water

Adding 2 mL of bac water to a 10 mg vial gives a workable concentration for syringe dosing. More water makes microdosing easier; less concentrates each draw.

Storage after mixing

Freeze the dry powder for long-term storage, or refrigerate it for shorter periods, keeping it away from moisture. Once mixed with liquid, refrigerate and use within 4–6 weeks. After reconstitution, keep the vial refrigerated and use within 30 days.

Reconstitution steps

Remove caps & sanitize stoppers

Attach needle to syringe

Draw 2 mL bacteriostatic water

Insert needle into Epitalon vial

Release water gently down the side

Swirl to dissolve — don't shake

Check for full dissolution

Refrigerate Epitalon — good for 30 days

Chemical Makeup

Amino Acids

Epitalon

Ala

Position 1

Glu

Position 2

Asp

Position 3

Gly

Position 4

Amino acid sequence

AlaninePosition 1

Glutamic acidPosition 2

Aspartic acidPosition 3

GlycinePosition 4

What Are the Benefits of Epitalon?

What research says it may help with, and how it works in the body.

antiaging

: At very small doses, activates telomerase, an enzyme that lengthens telomeres, the protective caps on the ends of chromosomes, helping cells divide more times before they wear out.
: Reverses signs of cellular aging and improves the function of mitochondria, the energy-producing parts of cells.
: In animal studies, doses in the 30-40 microgram per kilogram of body weight range extended lifespan by 25-33%.

neuroprotection

: Helps restore the function of the pineal gland and the natural daily rhythm of melatonin release in older adults.
: At very tiny, nanogram-level concentrations, supports the formation of new brain cells.
: In studies using a 5-microgram dose per eye, 90% of cases showed a positive response for retinal degeneration, a condition where the light-sensing tissue at the back of the eye deteriorates.

immunity

: Supports regeneration of the thymus gland, which helps improve immune function.
: Strengthens the immune system's ability to detect threats and helps counter immunosenescence, the natural decline in immune function that comes with age.

What Are the Side Effects of Epitalon?

Who should avoid it, warning signs to watch for, and what to know before combining it with other compounds.

Who Should Avoid It

: Active malignancy (telomerase activation concern)
: Chronic sinusitis (nasal route)
: Known peptide allergies
: Pregnancy or breastfeeding

Stop Right Away If You Notice

: Signs of allergic reaction
: Persistent injection site inflammation
: New or changing moles (monitor skin)
: Cancer diagnosis (discontinue immediately)
: Unusual fatigue or weakness

Milder Signs to Watch For

Yellow or discolored powder (degradation)Cloudy solution after mixing (contamination)Missing or questionable sourcing documentation

Was it helpful?Yes

Is Epitalon FDA approved?

Epitalon is not an FDA-approved drug. It is intended for research purposes only and is not approved for human consumption, diagnostic, or therapeutic use.

Research Use Only

Epitalon has not been evaluated by the FDA for safety or efficacy in humans.

No Clinical Oversight

Not manufactured under FDA-regulated quality or clinical standards.

Unregulated Sourcing

Purity, dosing, and sourcing are not verified through FDA testing or oversight.

A smartphone screen displaying FDA status for a drug, indicating "FDA approved drug: No" and "Classification: Research use only." A banner notes "Research Only" with the disclaimer "not for human use," emphasizing its intended use for laboratory and analytical purposes.

Epitalon Cycle Length: How Long Should It Last?

This breaks down how long a typical Epitalon cycle runs and what research suggests happens at each stage. Research shows that staying on a peptide continuously, without a break, may make it less effective over time.

That's why most research protocols build in a break between cycles, often called a washout period, to let the body reset before starting again.

Day 1-3: Subtle energy improvement possible
Day 3-7: Better sleep quality, vivid dreams (melatonin effect)
Week 0-0: Enhanced morning energy, mood stability
Week 3-4: Skin quality improvements, enhanced wound healing
Month 2-3: Laboratory markers may show telomere changes
Week 0-0: Cumulative anti-aging benefits with repeated cycles

Epitalon Research References

It is a preclinical compound

6Research references

Epitalon

Epitalon is a preclinical compound

Telomerase Activation Study

Human fibroblasts showed extended replicative lifespan (34→44+ passages) at 0.1μM concentration while maintaining telomere length comparable to young cells.

2003

Russian Clinical Trials

Long-term observations showed significantly lower all-cause mortality in elderly subjects receiving periodic epithalamin courses with improved cardiovascular and immune parameters.

1992

Pineal Function Study

Elderly patients showed restoration of circadian melatonin rhythm and improved sleep/emotional stability using low-dose synthetic treatment.

2001

Retinal Degeneration Study

AMD patients achieved 90% positive response with only 5mcg per eye daily dosing.

2019

Lifespan Extension Study

Aging mice using 30-40mcg/kg showed 25% lifespan increase and reduced chromosomal aberrations.

2003

Neurogenesis Study

Human stem cells showed 1.6-1.8 fold upregulation of neurogenic markers at extremely low concentrations (0.01mcg/mL).

2020

Browse user-created protocols

Real protocols from the community that include Epitalon

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Epitalon (Epithalon) Peptide Dosage Calculator, Benefits & Side Effects

Epitalon Dosage Schedule