Epithalon (Epitalon): Research Record, Legality, and Where to Buy It in 2026

Rats and rhesus monkeys supplied the organism-level data

Above the dish, two experiments carry the record. A 2002 study put 80 rats into a 1,2-dimethylhydrazine-induced colon carcinogenesis model, counted total colon tumors per rat, and found fewer of them in two Epitalon groups than in the saline controls. The 80-rat study is a tumor-count result inside an induced model, and it stops there.

The 2005 primate study asked something else entirely. Researchers administered Epitalon to old rhesus monkeys and measured basal glucose, insulin, nighttime melatonin, and responses during glucose-tolerance testing. The rhesus-monkey paper reports changes in those endocrine and metabolic measures. Its protocol was built for old monkeys, and nothing in the published record converts it into a human protocol.

So the organism-level evidence comes down to two specific things: tumor counts in an induced rat carcinogenesis model, and glucose, insulin, melatonin, and glucose-tolerance responses in aged primates. Neither supplies human pharmacokinetics, a human safety profile, or a lifespan result.

Endpoints are worth reading closely here. A tumor count per rat is not a lifespan measure. A shift in circulating glucose, insulin, or nighttime melatonin is not a statement about aging in general. Each result belongs to its model, its species, and the variable someone chose to measure.

Most of the primary literature on this compound traces back to Vladimir Khavinson's group in St. Petersburg. Independent replication outside that lineage exists but stays limited, and the 2025 cell-line work is one of the clearer examples of it.

The compounding committee backed it, 7 to 4

A Federal Register notice put Epitalon free base and Epitalon acetate in front of FDA's Pharmacy Compounding Advisory Committee on July 24, 2026, under docket FDA-2025-N-6895. The use evaluated for the Section 503A Bulks List nomination was insomnia, which tends to surprise anyone arriving from the longevity literature.

FDA's own staff argued against listing. The agency's briefing document for Epitalon reported no human safety data, particularly for subcutaneous use, and no evidence supporting effectiveness for insomnia. The committee went the other way. It voted separately on each form and recommended both for inclusion, 7 in favor to 4 against with one abstention. Hyman, Phelps & McNamara recorded the day's votes, and McDermott Will & Schulte published a tally table carrying the same figures.

The practical effect is smaller than the headline. A committee recommendation is advisory and FDA is not bound by it. Nothing reaches the 503A list without agency rulemaking, and Epitalon is not on that list today. FDA's meeting page carries the briefing documents, the questions put to the committee and the archived broadcast. It carries no minutes and no vote table, so the tallies above rest on contemporaneous reporting rather than an FDA document.

Is Epithalon legal to buy?

In the United States, Epithalon is legal to purchase as a research chemical for laboratory use. It is not a controlled substance and does not appear on any DEA schedule as of August 2026. What it is not: an approved drug, a dietary supplement ingredient, or a compound cleared for human or veterinary use in any form.

Three boundaries define the current legal picture:

1. Research sale is lawful; human-use marketing is not. FDA has repeatedly cited peptide sellers whose sites promote human use, and courts have treated that line seriously. The owner of one vendor, Paradigm Peptides, was sentenced to 70 months in federal prison in July 2026 for selling unapproved and adulterated drugs. The offense was not stocking peptides. It was selling them for human consumption while faking the paperwork.
2. The compounding question is open, not settled. The July 2026 advisory vote points toward possible pharmacy compounding for one indication in the future. Until FDA completes rulemaking, no compounded or prescription form of Epitalon exists lawfully in the US.
3. Spelling does not change the legal status. Epithalon, Epitalon, Epithalone, and AEDG all refer to the same tetrapeptide under CAS 307297-39-8, and all four labels sit in the same regulatory position.

None of this changes how a supplier like Curo operates: Epithalon is sold strictly for laboratory research, not for human or animal use. Curo's research use only policy covers what that means in practice.

Where to buy Epithalon (Epitalon) for laboratory research

Researchers looking for where to buy Epithalon face a supplier market that changed sharply in 2025 and 2026. Peptide Sciences closed in March 2026, Amino Asylum went offline after a reported federal raid in June 2025, and Paradigm Peptides ended in a criminal sentencing. Several sites now trade on those dead brand names, so the first check is not price. It is whether the company behind the storefront actually exists. Our guide to the best peptide companies in 2026 covers the current field vendor by vendor.

Five checks separate a documented Epitalon source from an anonymous one:

1. A lot-specific COA, published before purchase. The certificate should match the exact lot printed on the vial, not a generic product-page badge. The help center shows how to verify a certificate against your lot.
2. A named, independent laboratory. A COA is only as good as the lab that issued it. Court records in the Paradigm case showed the defendants admitted faking certificates outright, which is the failure mode this check exists to catch.
3. Identity and purity by more than one method. HPLC purity alone leaves an identity gap, and it matters more here than usual: Epithalon is a four-residue peptide that is cheap to synthesize and easy to mislabel across its four spellings. Look for mass-spec identity confirmation against 390.35 g/mol and endotoxin results alongside the purity figure.
4. An identifiable company. A legal entity, a real contact route, and consistent policies. A brand name alone is not an identity, and the clone sites trading on dead vendors prove it.
5. Payment with recourse. Card payment carries buyer protection. Venmo, Zelle, and crypto-only checkouts remove it.

Curo stocks Epithalon 10mg in the research catalog. Every lot is tested by an independent laboratory for identity, purity, and endotoxin, the full testing standard is documented, and every certificate is publicly readable without an account. Orders are fulfilled from the United States, and payment options include card, crypto, Zelle, and Cash App.

How much does Epithalon cost?

As of August 2026, research-grade Epithalon in the 10mg vial size runs roughly $35 to $75 from US suppliers that publish lot-matched, independently issued COAs. Cheaper vials exist, some near $20, but they cluster among suppliers with no published lot documentation, and an unverified lot is unusable as research material at any price. Curo's Epithalon 10mg is $65, inside that documented tier and below its top end. Compare the documentation attached to the current batch first, then the price. The pre-purchase checklist walks the full sequence.

What an Epithalon certificate of analysis should show

Epithalon is synthesized by many suppliers, so material quality is something a lab confirms rather than assumes. Identity, purity, endotoxin load, and fill accuracy all vary by manufacturer and by lot. A certificate worth relying on shows:

• The exact lot number that appears on the vial.
• The issuing laboratory's name and report identifier.
• HPLC purity with the chromatogram, not a bare percentage.
• Mass-spectrometry identity confirmation against the expected 390.35 g/mol for Ala-Glu-Asp-Gly.
• An endotoxin result, since a pure peptide can still carry bacterial contamination from synthesis.
• A way to verify the document independently, through a public lookup or the lab itself. Curo's COA database is open for exactly this reason.

For a broader framework on separating documentation from marketing when comparing suppliers, see how to evaluate research peptide companies and the companion piece on purity claims and COA batch documentation.

Four labels lead back to a sequence and identifiers

Spelling drifts, so identifiers do the work instead. The PubChem entry lists Epitalon, Epithalon, and Epithalone among the names for CID 219042, along with CAS Registry Number 307297-39-8. The 2020 AEDG paper gives the tetrapeptide sequence as Ala-Glu-Asp-Gly. FDA's UNII record files EPITALON as ingredient substance O65P17785G. Those anchors hold when a label's spelling does not.

An identity check runs on two layers. At the compound layer, reconcile whatever spelling appears against AEDG, the full sequence, the CAS number, and the UNII. At the batch layer, reconcile the product and lot printed on the material against the batch document posted for it.

Keeping the two layers separate is the point. A correct-looking record for one spelling, or for a different lot, is easy to mistake for evidence about the vial in front of you.

The 10 mg on the label belongs in its own lane. It is the size of Curo's catalogue variant. It is not a research protocol, a human dose, or a pharmacokinetic value, and no human half-life for this compound appears anywhere in the published literature.

A well-characterized lyophilized peptide can still be degraded by poor handling after receipt. See storing research peptides and bacteriostatic water for the storage side.

Further reading

Two neighbouring compounds have a record shaped much the same way. Semax is another Russian-developed peptide with a long home literature, an empty US registry, and its own slot on the July 2026 agenda. Selank comes from the same research lineage and has been examined in anxiety and cytokine work.

Pinealon is the closest sibling of all, a short Khavinson-lineage peptide whose literature sits in the same place: heavy on cell and animal models, thin on registered human study. That record is set out in where Pinealon has actually been tested.

Frequently asked questions

Is Epithalon legal to buy in the US?

Yes, as a research chemical for laboratory use. Epithalon is not a controlled substance as of August 2026 and appears on no DEA schedule. It is not approved for human use, and no lawful compounded form exists, since the July 2026 advisory vote still requires FDA rulemaking to take effect.

Where can a researcher buy Epithalon or Epitalon?

From suppliers that publish lot-specific, independently issued COAs and operate as identifiable companies. Several well-known vendors closed or faced federal action in 2025 and 2026, and clone sites now trade on their names, so verify the company before the price. Curo lists Epithalon 10mg for laboratory research with every lot's certificate published openly.

How much does Epithalon cost?

Suppliers that publish lot-matched third-party COAs typically charge $35 to $75 for a 10mg research vial as of August 2026. Curo's 10mg vial is $65 with the lot's certificate published before purchase. Vials under that range usually come without verifiable lot documentation.

Is Epitalon the same thing as Epithalon?

Yes. Epitalon, Epithalon, Epithalone, and AEDG are all names for the same synthetic tetrapeptide, Ala-Glu-Asp-Gly, CAS 307297-39-8, PubChem CID 219042. The one-L and two-L spellings appear interchangeably in supplier listings and in the literature.

Does Epithalon lengthen telomeres in people?

The cited telomere results come from cultured human cells. They establish cellular telomerase and telomere observations, including ALT activation in breast-cancer lines, but no telomere-length result in living people.

Why does the ALT finding matter when reading the 2025 study?

The study observed telomerase upregulation in normal epithelial and fibroblast cells and ALT activation in breast-cancer lines. The result depends on the cell system, so the headline "telomere extension" does not describe one shared cellular route.

What did the animal studies actually measure?

The rat experiment counted colon tumors in an induced carcinogenesis model. The rhesus-monkey experiment measured basal glucose, insulin, nighttime melatonin, and glucose-tolerance responses in old animals.

Is there a registered clinical trial for Epithalon?

No. ClinicalTrials.gov searches under epitalon, epithalon, epithalone, and AEDG each returned zero studies on August 25, 2026, so the registry holds no NCT identifier, phase, sponsor, or posted result for the compound.

What should a certificate of analysis for Epithalon show?

Lot-specific identity and purity data from chromatographic and mass-spectrometry methods, plus endotoxin results, tied to the exact lot number on the vial and verifiable through a public lookup. Mass confirmation should match 390.35 g/mol for the Ala-Glu-Asp-Gly sequence.

How can I check whether Epitalon, Epithalon, Epithalone, or AEDG is the intended material?

Use the sequence and formal identifiers in the identity section, then reconcile the product name and lot across the listing, label, and batch document. Do not rely on spelling alone or use a generic certificate in place of a lot-specific record.