Pinealon

Pinealon is a three amino acid peptide (Glu-Asp-Arg) from a St. Petersburg family of bioregulators. Human data are limited to a 32-person study that also gave vesugen and a 72-patient report known only from its developers' review.

Evidence level
Early human data
Human studies
1
Total sources
7
Last reviewed
2026-10-04

Reviewed by Bryan Powell · editorial review, not medical review

neuronal oxidative stress · gene expression regulation · cellular ageing models

At a glance

Pinealon has been given to people, but the human record is small, loosely described and hard to pin on this one peptide. The only human study read in full summary is a 2015 Russian paper on 32 adults aged 41 to 83 with several chronic illnesses and organic brain syndrome in remission. It gave pinealon and a second short peptide, vesugen, and measured biological age indicators, not symptoms or function. A 2020 review by the peptide's developers also describes 72 patients with the after-effects of traumatic brain injury who took pinealon by mouth alongside standard treatment, but only as a one-paragraph summary.

Almost everything else is cells and rats, and nearly all of it carries the name of one St. Petersburg institute, the Institute of Bioregulation and Gerontology, and its long-time head author Vladimir Khavinson. The findings there are specific: less oxidative damage in stressed neurons in a dish, and better maze learning in rat pups exposed to high homocysteine before birth.

Pinealon is not approved by the FDA, does not appear anywhere on FDA's 503A nominations list, and is prohibited at all times in tested sport under WADA's S0 class.

What Pinealon is

Pinealon is a three amino acid peptide: glutamic acid, aspartic acid, arginine, written Glu-Asp-Arg or EDR. Its developers describe it as a tripeptide isolated from Cortexin, a polypeptide brain preparation used as a neuroprotective drug in Russia, and a 2024 paper describes EDR as coming from polypeptide complexes of calf cerebral cortex.

It belongs to a family the same school calls peptide bioregulators, short synthetic sequences each tied to an organ or tissue. Vesugen (KED) and epitalon (AEDG) are relatives; the 2024 cell study tested all three side by side. That shared origin is the main fact to hold onto when reading the citations: the studies are real, and most of them come from the people who made the peptide.

Mechanism

What the Developers Propose

The most detailed account is a 2020 review by Khavinson and three colleagues, all listing the St. Petersburg Institute of Bioregulation and Gerontology. They propose that EDR enters the cytoplasm and the nucleus, binds histone proteins or nucleic acids, and changes the expression of genes involved in neuronal survival and antioxidant defence. The proteins they list include the MAPK/ERK pathway, caspase-3 and p53, the antioxidant enzymes SOD2 and GPX1, PPARA and PPARG, serotonin and calmodulin. They also cite in vitro work in which EDR interacted with DNA, and mouse hippocampal neuron cultures modelling Alzheimer's disease in which it prevented the loss of mushroom-shaped dendritic spines. The review itself frames the nuclear route as presumed rather than demonstrated.

What the Cell Work Measured

The 2011 Rejuvenation Research paper, with Khavinson as first author, exposed rat cerebellar granule cells, neutrophils and PC12 pheochromocytoma cells to oxidative stress. Pinealon restricted reactive oxygen species build-up in a dose-dependent way, reduced necrotic cell death, delayed activation of the ERK 1/2 kinases and altered the cell cycle. Because the antioxidant effect levelled off at low concentrations while the cell-cycle effect kept rising at higher ones, the authors concluded the peptide acts on the genome as well as scavenging free radicals. That is an inference from a pattern, not a direct observation of the peptide binding DNA in those cells.

What the evidence actually shows

Human data

Direct human trial evidence among the reviewed sources.

Two human reports exist, and neither isolates pinealon cleanly. Meshchaninov and colleagues (2015, Advances in Gerontology, published in Russian with an English abstract) studied 32 people aged 41 to 83 with chronic polymorbidity and organic brain syndrome in remission. The abstract gives the sex split as 18 men and 12 women, which adds to 30, not 32. The study used two synthetic tripeptides, pinealon and vesugen, and the outcomes were biological age indicators and cellular and metabolic markers. The authors report a significant anabolic effect, slower ageing by those indicators, and a more visible effect from vesugen than from pinealon. They also report pro-oxidant activity on chemiluminescence and a drop in CD34+ blood stem cells that they describe as significant inhibition of blood cell formation. The English abstract does not describe a control or placebo group, and none of the five authors appears on the St. Petersburg papers; PubMed lists no affiliation for them. The 2020 review by Khavinson's group states that 72 patients with consequences of traumatic brain injury and cerebrasthenia took oral pinealon in addition to standard therapy, with improved memory, shorter and milder headaches, emotional balance and better performance. It cites a 2013 paper by Umnov, Linkova and Khavinson, and the review gives no group sizes, comparison arm or duration. A further claim, of fewer errors on a proofreading test and a higher EEG alpha index after brain injury, is cited to a patent rather than a journal article. Neither report is a randomised, placebo-controlled trial of pinealon alone.

Preclinical data

Animal or in-vitro work. Does not establish human effect.

In rats, Arutjunyan and colleagues (2012) gave pinealon to pregnant Wistar rats before loading them with dietary methionine, which raised blood homocysteine; groups had 23 offspring each. On the first water maze trial of the second day, control pups took 112 seconds to find the platform, pups from methionine-loaded mothers took 170 seconds, and pups whose mothers also had pinealon took 137 seconds. By the fifth trial all three groups performed the same. Cerebellar neurons from the pinealon group had fewer necrotic cells and less oxidant build-up when challenged with hydrogen peroxide. Pinealon did not lower the pups' homocysteine. Authors came from the St. Petersburg institute, the D.O. Ott Institute, and two Moscow centres, with Khavinson as senior author. In human cells, Kraskovskaya and colleagues (2024), led from the Institute of Cytology in St. Petersburg with co-authors from the bioregulation institute, converted skin fibroblasts from three women aged 61, 66 and 68 into neurons. EDR increased primary dendrites by 28 percent and total dendrite length by 46 percent. Oxidative DNA damage fell by 23 percent, though the reported p value of 0.0566 sits just above the usual 0.05 cut-off. Mitochondrial activity, lysosomal activity, p16 and lamin B1 did not change significantly. The rat model is a severe prenatal insult rather than ordinary ageing, and the human-cell result comes from three donors.

Anecdotal discussion

Reported experience. Not evidence of effect.

Pinealon is marketed online for memory, focus and brain ageing, often sold as part of a set with epitalon and other bioregulators. The supporting reference lists are usually genuine, and following them leads mostly to the same St. Petersburg institute and to rats and cultured cells. Personal reports add no controls, no measurement of cognition, and no check on what the vial contained.

Where people overreach

The overreach here is less about invented evidence and more about stretching real but narrow findings.

Calling it clinically proven for the brain. The human reports are a 32-person study whose outcome was biological age indicators, and a 72-patient result known only from its developers' review. Neither is a randomised placebo-controlled trial of pinealon on its own.

Crediting pinealon with a two-peptide result. The 2015 study used pinealon and vesugen, and its own abstract says vesugen showed the more visible effect.

Treating citation count as confirmation. The cell, rat and review papers share authors and an institution. Several reports from one group agreeing with each other is not the same as an outside lab reproducing the result.

Moving rat pups and cultured neurons into adults. The maze result came from offspring of mothers with induced high homocysteine, and the gap closed by the fifth trial. The dendrite and DNA damage results came from neurons in a dish made from three donors' skin cells.

Treating a proposed gene-regulation mechanism as established. The developers present nuclear entry as presumed. A three-residue peptide steering gene expression would be a notable finding that still waits on independent confirmation.

Safety and regulatory context

Human safety information is thin. The 2015 study reports no adverse event list in its English abstract, but it does report pro-oxidant activity and a fall in CD34+ blood stem cells that the authors themselves called significant inhibition of blood cell formation, in people who also received vesugen. The review's 72-patient summary does not mention side effects either way. No source here describes long-term use.

No pinealon product is approved by the FDA, so material sold online has no reference standard for identity, purity or dose. Pinealon does not appear on FDA's Category 1 or Category 2 lists or anywhere else in the 503A nominations; FDA has said it does not intend to categorise substances nominated on or after 7 January 2025, so that absence says nothing about safety or legality.

WADA does not name pinealon on the 2026 Prohibited List. Section S0 prohibits at all times any pharmacological substance with no current approval from a governmental health authority for human therapeutic use, which covers it.

Practical interpretation

People have taken pinealon, in Russian clinical settings, and the reports are positive on their own terms. Those terms are loose: biological age indices, a second peptide in the mix, no described placebo arm, and one result known only secondhand.

What the evidence supports: in rat and human-derived cells under stress, EDR reduced oxidant build-up and cell death, and in fibroblast-derived neurons from older women it lengthened dendrites. In rat pups exposed to high homocysteine before birth, maternal pinealon was linked to faster early maze learning. What it does not support: any claim that pinealon improves memory, slows brain ageing or protects against dementia in adults. No controlled trial has put those questions to pinealon, and the research base still runs through one institute.

What Pinealon is not

Not tested alone in a controlled human trial. The 2015 study used pinealon with vesugen and measured biological age indicators, and the 72-patient report gives no comparison group.

Not independently replicated. The 2011, 2012, 2020 and 2024 laboratory and review papers all include authors from the St. Petersburg Institute of Bioregulation and Gerontology, three of them with Khavinson among them.

Not a proven cognitive enhancer. The maze benefit was seen in rat pups after a prenatal homocysteine insult and had disappeared by the fifth trial.

Not an approved medicine or permitted in sport. It has no FDA approval, sits nowhere on the 503A nominations list, and falls under WADA's S0 class.

Aeternus position

I place pinealon at early human data because people have been given it and outcomes were recorded. I do not let that label do more work than it can. One study mixed it with another peptide and scored biological age; the other reached me only through its developers' summary.

What I respect is that the lab work is specific and some of it is honest about null results, like the 2024 paper reporting no change in mitochondria, lysosomes or p16. What holds me back is that nearly every paper traces to one institute. If a group with no tie to St. Petersburg runs a controlled trial of pinealon alone, I will rewrite this with whatever confidence it earns.

Regulatory status

Three separate questions, kept separate on purpose. Whether Pinealon appears on FDA’s pharmacy-compounding list, whether an approved medicine containing it exists, and whether it is banned in sport are three different things, and the answer to one tells you nothing about the others.

FDA 503A bulk substances list

On neither list

Does not appear on FDA’s Category 1 or Category 2 bulk substances lists.

Does not appear on the FDA Category 1 or Category 2 lists. FDA has stated it does not intend to categorise substances nominated on or after 2025-01-07, so absence from these lists says nothing about safety or legality. Pinealon appears nowhere in the 503A nominations, in any of the three categories.

Primary source

Source directness: medium — inferred from a parent listing, a class phrase, or absence from an incomplete list

FDA approval

No FDA-approved product

Primary source

Source directness: high — a named primary document states this outright

WADA prohibited list

Prohibited at all times · S0 · captured by class wording, not named

Not named on the WADA Prohibited List, but captured by S0 (Non-Approved Substances), which prohibits at all times any pharmacological substance with no current approval by any governmental regulatory health authority for human therapeutic use. For an unapproved research compound, absence from the list is not permission. No section of the list names pinealon, so the catch-all is the operative provision.

Primary source

Source directness: medium — inferred from a parent listing, a class phrase, or absence from an incomplete list

Verified against primary sources: FDA 503A 2026-07-31 · FDA approval 2026-07-31 · WADA 2026-09-07

Regulatory status changes, sometimes quickly. This reflects what the primary sources said on the dates above and nothing more. Verify before acting on it.

Sources (7)

  1. preclinical · moderatePinealon Increases Cell Viability by Suppression of Free Radical Levels and Activating Proliferative ProcessesRejuvenation Research, 2011 · doi:10.1089/rej.2011.1172
  2. review · moderateEDR Peptide: Possible Mechanism of Gene Expression and Protein Synthesis Regulation Involved in the Pathogenesis of Alzheimer's DiseaseMolecules, 2020 · doi:10.3390/molecules26010159
  3. preclinical · moderateShort Peptides Protect Fibroblast-Derived Induced Neurons from Age-Related ChangesInternational Journal of Molecular Sciences, 2024 · doi:10.3390/ijms252111363
  4. animal study · moderatePinealon protects the rat offspring from prenatal hyperhomocysteinemiaInternational Journal of Clinical and Experimental Medicine, 2012
  5. human study · weakEffect of synthetic peptides on aging of patients with chronic polymorbidity and organic brain syndrome of the central nervous system in remissionAdvances in Gerontology, 2015
  6. regulatory · moderateBulk Drug Substances Nominated for Use in Compounding Under Section 503A of the Federal Food, Drug, and Cosmetic ActUS Food and Drug Administration, 2026
  7. regulatory · moderateThe 2026 Prohibited List, World Anti-Doping Code International StandardWorld Anti-Doping Agency, 2026

Educational content only, not medical advice. Nothing here diagnoses, treats, cures or prevents disease. Pinealon is not approved for human use by the FDA. Speak with a qualified clinician before making any decision about your health.

Other compounds in Cognitive & Neuro