Superpower peptides available for pre-order. Get first access.

Not FDA-approved

Brain & sleep

What benefits of epitalon are under study?

Epitalon benefits under study include telomeres, melatonin, lifespan, and oxidative stress. See what cell, animal, and early human research has found.

EvidenceLimited research
ClassPineal tetrapeptide (Ala-Glu-Asp-Gly)

Quick answer

Researchers are studying epitalon for telomeres, melatonin, lifespan, and oxidative stress. Most findings come from cell and animal research. Epitalon has lengthened telomeres in cultured human cells and raised maximum lifespan in mice by 12.3%. A placebo-controlled study included 40 women with low melatonin. Those given epitalon showed a 1.7-fold rise in a urinary melatonin marker. Epitalon is not FDA-approved and has no established labeled route.

Published
November 4, 2026
Last updated
November 4, 2026

At a glance

ClassPineal tetrapeptide (Ala-Glu-Asp-Gly)
TakenUnder the skin
In the USNot FDA-approved; PCAC voted favorably (Jul 2026) for 503A compounding, final FDA rule pending
EvidenceLimited research

Benefits and uses researchers are exploring

Epitalon benefits under study span four areas: telomeres, melatonin, lifespan, and oxidative stress1. Most published findings come from laboratory and animal research, and small human studies2 have measured melatonin and other biomarkers.

Epitalon, also spelled epithalon, is a synthetic peptide of four amino acids: alanine, glutamic acid, aspartic acid, and glycine. Researchers built epitalon from the amino-acid makeup of epithalamin1, a cattle pineal extract. Most of its research centers on aging.

People who use epitalon often describe changes in sleep, energy, and overall well-being. Those experiences drive much of its popularity, and tracking sleep and energy puts each one in context.

Epitalon and telomeres

Epitalon has raised telomerase activity and lengthened telomeres in cultured human cells. Telomeres are protective caps on chromosome ends, and telomerase is the enzyme that extends them.

In human fetal fibroblasts, connective-tissue cells that normally lack telomerase, epitalon switched on the enzyme and lengthened telomeres3.

An independent lab reported dose-dependent telomere lengthening in normal human cells4 through telomerase. In breast cancer cell lines, the lengthening ran through a separate route that bypasses telomerase.

Epitalon's other main line of research starts in the pineal gland, where melatonin is made.

What studies show about epitalon, melatonin, and sleep

Epitalon has raised melatonin measures in old monkeys and in two small human studies2. Melatonin helps regulate the sleep-wake cycle, so researchers have proposed5 that epitalon could affect circadian rhythms.

In rhesus monkeys aged 20 to 27, epitalon raised night melatonin in older animals6. Monkeys aged 6 to 8 showed no change.

A randomized, placebo-controlled study5 included 40 women aged 40 to 50 with low melatonin. Those given epitalon showed a 1.7-fold rise in a urinary melatonin marker7. The authors described this as a return to a normal level for their age.

In the second study, older adults given epitalon injections showed higher nighttime melatonin2. The rise was seen mainly in those whose pineal function was low at the start.

Those melatonin findings tie epitalon to aging, the question behind its lifespan studies.

Epitalon and longevity

Epitalon has lengthened lifespan in fruit flies and maximum lifespan in mice.

Researchers have also studied how epitalon affects cell damage.

Epitalon and oxidative stress

Epitalon has lowered markers of oxidative damage in rats10 and mouse egg cells. Oxidative stress means cell damage caused by reactive oxygen molecules.

In rats given epitalon injections, damaged fats and oxidized proteins fell. Antioxidant activity in their serum and brain tissue dropped too. In mouse egg cells aged in a dish, an independent lab found lower reactive oxygen species11 and less cell death.

Human studies of epitalon so far have centered on melatonin.

What has human research found about epitalon benefits?

Human research on epitalon includes small biomarker studies2. An older controlled study tested it in retinitis pigmentosa, an inherited eye disease. Both melatonin studies reported higher melatonin measures after epitalon.

Research areaLaboratory and animal findingsHuman research
TelomeresTelomerase activity and telomere length rose in cultured human cellsNo published human studies yet
Melatonin and sleepNight melatonin rose in old monkeysMelatonin measures rose in 2 small studies; FDA's 2026 review5 found a lack of evidence to support effectiveness for insomnia
LongevityLonger lifespan in flies, longer maximum lifespan in miceNo published human studies yet
Oxidative stressLower oxidative damage in rats and egg cellsNo published human studies yet
SafetyLifelong dosing studied in miceFDA's 2026 review found no clinical data to support epitalon's safety in humans

The two melatonin studies give future trials a measured starting point in people.

Getting epitalon in 2026

Superpower will offer epitalon formulated in FDA-registered facilities in the US, backed by third-party lab testing, and distributed from US-licensed pharmacies. Licensed clinicians will decide whether it fits each person's health care. The Superpower peptide waitlist is open now.

Epitalon is not an FDA-approved drug. In October 2026, the Department of Health and Human Services said it does not intend to take enforcement action12 against state-licensed pharmacies compounding epitalon and certain other peptides while the 503A Bulks List, the list of ingredients pharmacies may use in compounding, is finalized. Epitalon is one of six peptides the interim policy covers13; its conditions include ingredients from FDA-registered facilities and a patient-specific prescription. The policy followed a July 2026 FDA advisory committee vote recommending epitalon for the list14, with rulemaking still in progress.

About Epitalon

More answers about Epitalon