Pinealon Peptide: What It Is, Evidence and Dosing

What Is Pinealon?

Pinealon is a synthetic peptide made of three amino acids: glutamic acid, aspartic acid and arginine, written Glu-Asp-Arg or EDR. It belongs to a family of very short "peptide bioregulators" developed at the St. Petersburg Institute of Bioregulation and Gerontology, and it has been studied mostly in cell cultures and rats for protecting neurons under stress. It is not an FDA-approved drug.

Three amino acids is small even by peptide standards. BPC-157 Explore PeRxBPC-157The Body Protection CompoundView peptide has 15, Selank Explore PeRxSemax/SelankCognitive Clarity & Calm FocusView peptide has 7, and insulin has 51. The institute’s founder, Vladimir Khavinson, built a research program around the idea that fragments this short, which his group calls cytogens, can slip into cells and switch genes on or off in a tissue-specific way. Pinealon is the program’s brain peptide. Its siblings include Epitalon Read nextEpitalon 2026: The Peptide That Outsmarts Cell AgingEvery cell in your body has a countdown timer. It's called a telomere, a protective cap that shortens with each division until the cell can no longer divide and dies. In the 1980s, a Russian military gerontologist extracted a peptide from the pineal gland that reactivated telomerase and made human cells surpass their programmed death clock by 10 additional divisions, while staying young and healthy. The peptide was four amino acids long. A Khavinson-group study of elderly patients reported lower mortality on a pineal-peptide regimen. In 2025, an independent lab confirmed the telomere mechanism. Here's everything you need to know about Epitalon.Read article , four amino acids long and studied for aging and the pineal gland, and Vesugen, another tripeptide.

Most pages that rank for Pinealon are selling vials, and they call it a sleep peptide, a memory peptide and an anti-aging peptide, often in one paragraph. We prescribe it, inside one blend, and would rather you see how thin the file is first. For the comparison with its better-known cousin, see Epitalon vs Pinealon Read nextEpitalon vs Pinealon: Pineal Peptides ComparedThey sound like twins and share a lineage in the same Russian bioregulator research, but Epitalon and Pinealon were designed to do different jobs. Epitalon is a longevity-focused tetrapeptide studied for telomere maintenance and sleep. Pinealon is a short neuropeptide bioregulator studied for cognition and neuroprotection. Here is how they actually differ, what the evidence supports, and how to think about choosing.Read article .

Pinealon and the Pineal Gland: The Name Problem

The name suggests a peptide taken from the pineal gland that tunes melatonin and sleep. Vendor pages and forum posts repeat that story, and some state outright that it was isolated from pineal tissue. The institute’s own papers tell a different one. In a 2020 review, Khavinson and colleagues describe EDR as a tripeptide isolated from Cortexin, a polypeptide preparation made from brain cortex and used in Russia as a neuroprotective drug. The source tissue is cortex. The pineal connection lives in the branding.

The group did test Pinealon on pineal tissue once, and the result is worth knowing. In 2011 they grew rat pineal gland in culture and added four short peptides. Epitalon Explore PeRxEpitalonThe Longevity PeptideView peptide and a second tripeptide raised a marker of cell proliferation. Only Epitalon raised the secretory marker they tracked. Pinealon is not reported to have raised either, none of the peptides changed the cell-death marker, and the authors’ conclusion credits Epitalon alone with a tissue-specific effect on pineal cells.

Khavinson VKh, Linkova NS, Chalisova NI, Dudkov AV, Koncevaya EA. "Effect of short peptides on expression of signaling molecules in organotypic pineal cell culture." Bulletin of Experimental Biology and Medicine. 2011;152(1):138-141. View study

What about sleep itself? We searched PubMed in September 2026 for Pinealon alongside sleep, melatonin or circadian rhythm. The only hit was an orthopaedics review that mentions the peptide once. No indexed study has measured melatonin or sleep quality in anyone given Pinealon. The nearest threads are a cell-culture paper in which EDR increased serotonin, the chemical precursor of melatonin, in aging cortex cells, and a rat carotid-occlusion study that recorded more sleep behavior after dosing.

How Pinealon Is Thought to Work

Most peptide drugs work by docking onto a receptor on the cell surface. The bioregulator school proposes something more direct for its short peptides: they enter the cell, reach the nucleus and bind DNA or the histone proteins that package it, nudging particular genes. For Pinealon the supporting pieces look like this.

It is a coherent hypothesis, and an unusual one. Three amino acids picking out a specific six-letter DNA sequence among roughly three billion would be remarkable selectivity, and outside this research school the idea has barely been tested. Treat the mechanism as proposed.

Fedoreyeva LI, Kireev II, Khavinson VKh, Vanyushin BF. "Penetration of short fluorescence-labeled peptides into the nucleus in HeLa cells and in vitro specific interaction of the peptides with deoxyribooligonucleotides and DNA." Biochemistry (Moscow). 2011;76(11):1210-1219. View study

What the Pinealon Research Shows

PubMed returned 22 records for the word pinealon in September 2026. Two are unrelated or passing mentions. The other twenty are close to the whole indexed file, twelve of them in Russian, and a few newer papers use only the name EDR. The table sorts the common claims by the strongest evidence behind each.

The cell work

The founding English-language paper, from 2011, exposed three cell types to oxidative stress and found that Pinealon held down reactive oxygen species and necrotic cell death in a dose-dependent way. A 2024 paper used a more modern model, neurons reprogrammed from the skin cells of elderly donors. EDR encouraged dendrite growth and reduced oxidative DNA damage. It did nothing for mitochondrial or lysosomal activity or for p16, a marker of cellular aging.

Khavinson V, Ribakova Y, Kulebiakin K, Vladychenskaya E, Kozina L, Arutjunyan A, Boldyrev A. "Pinealon increases cell viability by suppression of free radical levels and activating proliferative processes." Rejuvenation Research. 2011;14(5):535-541. View study

Kraskovskaya N, Linkova N, Sakhenberg E, et al. "Short Peptides Protect Fibroblast-Derived Induced Neurons from Age-Related Changes." International Journal of Molecular Sciences. 2024;25(21):11363. View study

The animal work

In rats, the cleanest study gave Pinealon to pregnant animals fed excess methionine, a diet that raises homocysteine and harms the developing brain. Their offspring showed better spatial learning, and neurons from the pups’ cerebellum resisted oxidative stress better. Other rat work, mostly from a collaborating group in Rostov, covers hypoxia, hypothermia and carotid artery occlusion in old animals. The Alzheimer’s-model paper vendors cite most reports that EDR and KED prevented dendritic spine loss. A correction to it was published in 2025.

Arutjunyan A, Kozina L, Stvolinskiy S, Bulygina Y, Mashkina A, Khavinson V. "Pinealon protects the rat offspring from prenatal hyperhomocysteinemia." International Journal of Clinical and Experimental Medicine. 2012;5(2):179-185. View study

Khavinson V, Ilina A, Kraskovskaya N, et al. "Neuroprotective Effects of Tripeptides-Epigenetic Regulators in Mouse Model of Alzheimer’s Disease." Pharmaceuticals (Basel). 2021;14(6):515. View study

The human reports

The figure quoted most often is 72 patients with lingering effects of traumatic brain injury, given oral Pinealon alongside standard therapy, with better memory, milder headaches and steadier mood reported afterward. We could only find it second-hand, in the institute’s 2020 English review, which cites a 2013 Russian-language review. Whether there was a control group or blinding is not something an English-speaking reader can check. Several pages attach those patients to the 2011 cell-culture paper, whose abstract describes cell experiments only.

The other human material is occupational and geriatric: truck drivers, locomotive crews and older adults given Pinealon, usually with Vesugen, as what the authors call preventive nutrition. The most informative is a 32-person study from a medical group in the Urals. It reported improved biological-age indices, with Vesugen looking better than Pinealon. It also reported pro-oxidant activity on chemiluminescence testing and a drop in circulating CD34+ cells, which the authors read as suppressed blood cell formation. Findings like that rarely reach a sales page.

Khavinson V, Linkova N, Kozhevnikova E, Trofimova S. "EDR Peptide: Possible Mechanism of Gene Expression and Protein Synthesis Regulation Involved in the Pathogenesis of Alzheimer’s Disease." Molecules. 2020;26(1):159. View study

Meshchaninov VN, Tkachenko EL, Zharkov SV, Gavrilov IV, Katyreva IuE. "Effect of synthetic peptides on aging of patients with chronic polymorbidity and organic brain syndrome of the central nervous system in remission." Advances in Gerontology. 2015;28(1):62-67. Article in Russian. View study

Why Single-Lab Evidence Gets a Discount

Most of the papers above carry an author from the St. Petersburg institute, and the rest come from Russian groups working with its preparations. We could not find a study of Pinealon itself from a laboratory outside Russia. That describes where the file stands. It is not an accusation, and science discounts unreplicated findings for ordinary reasons: inventors tend to find what they hope to find, and positive results get written up more often than negative ones. None of this work was registered in advance. ClinicalTrials.gov lists no study of Pinealon at all.

The school’s own head-to-head results are more mixed than the marketing suggests. In aged rats under hypoxia and cold stress, Cortexin, the parent extract, affected free-radical processes and caspase-3 more than Pinealon did. In the carotid-occlusion study, caspase-3 activity rose moderately with Pinealon, against the protective story. In the 32-person report the sister peptide looked better. Mixed results are normal in pharmacology. A literature that almost nobody else has tried to repeat is not.

Mendzheritsky AM, Karantysh GV, Ryzhak GA, Prokofiev VN. "Pinealon and Cortexin influence on behavior and neurochemical processes in 18-month aged rats within hypoxia and hypothermia." Advances in Gerontology. 2015;28(3):532-539. Article in Russian. View study

What Nobody Has Measured

There is no published human pharmacokinetic study of Pinealon: no half-life, no blood levels after an injection, no figure for how much reaches the brain. A PubMed search pairing the name with pharmacokinetics, half-life or bioavailability returns nothing. That gap matters for a tripeptide, because enzymes in blood and tissue cut short unmodified peptides apart quickly, often within minutes. Whether three linked amino acids last long enough, and travel far enough, to do what is claimed is a question the literature does not address.

The route is a second gap. The human reports we could trace describe capsules taken by mouth or do not state a route. None describes an injection, which is how most US sellers and clinics, ours included, supply it. Long-term safety has not been studied by any route, a gap our long-term safety guide Read nextAre Peptides Safe Long-Term? What the Data SaysMost safety questions about peptides assume the timeframe is one or two cycles. The harder question is what happens after a year, three years, or a decade. The honest answer is that peptides fall into three buckets: ones with multi-decade clinical data, ones with several years of safety record but limited long-term studies, and ones where the long-term picture is genuinely incomplete. Here is the bucket each peptide is in and what monitoring matters.Read article treats in general terms. And no study has tested Pinealon together with PE-22-28 and Selank.

Pinealon Dosing: Why the Charts Disagree

Search for a Pinealon dosage chart and you will find confident numbers: commonly 1 to 2 mg a day by injection for 10 to 20 days, sometimes capsules, sometimes a nasal product from sellers who make one. One widely copied protocol site is candid that its figures come from the institute’s publications and community habit, and are not a dosing recommendation. No dose-finding study exists. Nobody has compared 1 mg with 2 mg, daily with weekly, or ten days with thirty, so every chart is an educated guess laid out as a table.

PeRx does not prescribe Pinealon by itself, so there is no PeRx Pinealon dose to chart. What we can give you is the arithmetic of the blend it comes in.

Because all three peptides share one vial at one concentration, the Pinealon dose cannot rise without the other two rising with it. That suits people who want the combination and not anyone chasing a Pinealon number from a forum. Timing and cycle length are covered in the Pinealon/PE-22-28/Selank guide Read nextPinealon, PE-22-28 & Selank Guide (2026)Three peptides, three layers of brain support. Pinealon restores sleep architecture through pineal gland regulation. PE-22-28 drives neurogenesis by blocking the TREK-1 potassium channel. Selank calms anxiety through GABA modulation without sedation or dependence. Together they rebuild, grow, and protect neural tissue from three independent angles.Read article , and technique in how to inject peptides Read nextHow to Inject Peptides: Subcutaneous GuideA clear, practical walkthrough of subcutaneous peptide injections, from supply setup to sharps disposal. Written for patients new to self-injection with ready-to-use PeRx vials.Read article .

Why We Only Prescribe It Inside a Blend

A standalone Pinealon vial would ask you to pay for, and inject, a compound whose entire human record is a handful of oral reports. We were not comfortable building a product on that. Inside the blend, Pinealon is the most speculative third of a vial whose other two components are better characterized.

Read that table plainly and the blend’s case rests mostly on Selank for how you feel in the first weeks, with PE-22-28 and Pinealon as mechanistically interesting additions that nobody has tested in people by injection. Both papers named in the table are cited in full in the blend guide Read nextPinealon, PE-22-28 & Selank Guide (2026)Three peptides, three layers of brain support. Pinealon restores sleep architecture through pineal gland regulation. PE-22-28 drives neurogenesis by blocking the TREK-1 potassium channel. Selank calms anxiety through GABA modulation without sedation or dependence. Together they rebuild, grow, and protect neural tissue from three independent angles.Read article . If that is not a trade you want to make, there are cleaner choices.

Pinealon/PE-22-28/Selank

Three peptides in one 5 mL vial at 2 mg/mL each, compounded by a US 503A pharmacy and sent cold with insulin syringes and alcohol swabs. It ships fully reconstituted and ready to use, so nothing gets mixed at your kitchen counter.

$299 for a one-month supply. You complete an online intake, a licensed provider reviews it, and checkout holds your card without charging it until a prescription is approved.

The only form in which PeRx prescribes Pinealon.

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FDA and Anti-Doping Status

Put plainly, the FDA has never evaluated Pinealon for compounding, favorably or unfavorably. That leaves it in a regulatory gray zone with its status unsettled, a different position from peptides such as BPC-157 that the agency has at least reviewed. We will update this section if that changes. Our FDA panel write-up Read nextFDA Panel Backs 6 of 7 Peptides, Rejects DSIPThe FDA's Pharmacy Compounding Advisory Committee finished its two-day meeting on July 24, 2026. By the end, it had voted to recommend six of the seven peptides on the agenda for the 503A compounding list, including BPC-157, TB-500, MOTS-C, Semax, and Epitalon, and against just one, Emideltide (DSIP). Every vote went against the FDA's own scientists. Here is the full tally, what it changes, and what it does not.Read article covers the peptides that were voted on.

Anti-doping is a separate question. Pinealon is not named anywhere on the 2026 World Anti-Doping Agency Prohibited List. The list’s S0 class, though, prohibits at all times any pharmacological substance with no current approval by a governmental health authority for human therapeutic use, and Pinealon fits that description. Tested athletes should treat it as prohibited. Peptide therapy for athletes Read nextPeptide Therapy for Athletes: WADA Rules & UseAthletes were among the earliest adopters of peptide therapy, and for good reason. Faster recovery between training sessions, accelerated injury repair, and improved body composition are directly relevant to athletic performance. But there are rules, and understanding the competitive landscape matters as much as the pharmacology.Read article goes through the wider picture.

Pinealon: Common Questions