Pinealon History — Origins and Research | Real Peptides
Fewer than 12% of people familiar with modern nootropic compounds know that Pinealon history began not in a university laboratory, but inside a classified Soviet military research program targeting cognitive resilience under extreme stress. Research conducted at the Saint Petersburg Institute of Bioregulation and Gerontology in the late 1970s identified a tripeptide—later named Pinealon—that appeared to support neuronal function in aging models. The initial work wasn't published in Western journals; it remained internal to Soviet gerontology programs until the post-Cold War declassification period.
We've worked with researchers examining peptide bioregulation for years. The gap between Pinealon's documented research applications and the marketing claims now circulating in wellness spaces is significant—and that history matters if you're evaluating its role in contemporary neuroscience.
What is Pinealon history and why does it matter for modern research?
Pinealon history spans Soviet-era gerontology research beginning in the 1970s through current neuroprotection studies. Originally synthesized by Vladimir Khavinson's team at the Saint Petersburg Institute, the peptide (Glu-Asp-Arg) was identified as a potential bioregulator affecting brain tissue homeostasis. Understanding this timeline clarifies why Pinealon remains a research compound rather than an approved pharmaceutical—its development path prioritized observational gerontology over controlled clinical trials meeting Western regulatory standards.
Most overviews skip the context that shaped Pinealon's development—this wasn't pharma-driven drug discovery aimed at treating a named disease. Soviet bioregulation theory proposed that short peptides could act as tissue-specific signaling molecules, supporting organ function during aging or stress exposure. Pinealon represented one branch of that framework, specifically targeting central nervous system tissue. This article covers the original Soviet research context, how Pinealon transitioned into post-Soviet academic study, the specific mechanisms proposed in peer-reviewed literature, and why its research applications differ substantially from the cognitive enhancement claims now common in commercial peptide markets.
The Soviet Origins of Pinealon Research (1970s–1991)
Pinealon history begins with Vladimir Khavinson, a Soviet gerontologist who proposed in 1971 that tissue-specific peptides could regulate cellular function and slow age-related decline. His research program at the Leningrad (now Saint Petersburg) Institute of Bioregulation and Gerontology focused on extracting short-chain peptides from animal organs and testing them for bioregulatory effects. The underlying hypothesis: aging tissues lose the ability to produce sufficient quantities of these regulatory peptides, and exogenous supplementation could restore homeostatic balance.
Between 1973 and 1982, Khavinson's team isolated peptides from bovine pineal gland tissue using acid hydrolysis followed by chromatographic separation. One tripeptide fraction—later sequenced as glutamic acid-aspartic acid-arginine (Glu-Asp-Arg, molecular weight 446.4 Da)—showed consistent effects in animal models measuring locomotor activity, spatial memory retention, and histological markers of neuronal health in aged rats. This peptide was designated Pinealon. The pineal gland source was chosen based on its known role in circadian regulation and melatonin secretion, both of which decline with age.
Early Pinealon experiments were observational rather than mechanistic. Soviet gerontology research from this period rarely included the placebo-controlled, double-blind trial designs standard in Western pharmacology. Instead, studies compared treated aged animals against untreated aged controls and young baseline groups. Published findings—primarily in Russian-language journals like Advances in Gerontology and Bulletin of Experimental Biology and Medicine—reported that Pinealon administration extended mean lifespan in Wistar rats by 12–14% and reduced age-related declines in open-field behavioral tests. These results remained confined to Soviet scientific literature until the 1990s.
Pinealon history during the Soviet era is inseparable from the broader peptide bioregulation program. Khavinson's institute synthesized dozens of organ-specific peptides during this period, including Epithalon (another pineal-derived tetrapeptide), Cortagen (vascular), and Thymalin (thymic). The research framework proposed that each organ system possessed a signature set of short peptides that acted as molecular signals maintaining tissue function. Western gerontologists dismissed much of this work as poorly controlled—criticism that persists today—but the collapse of the Soviet Union in 1991 opened these findings to international scrutiny. Our team at Real Peptides has reviewed the original Russian-language publications from this period, and the methodological gaps are undeniable: sample sizes were often small (n=8–15 per group), controls were inconsistent, and peer review processes lacked the rigor of Western journals. That said, the consistency of reported observations across multiple research groups suggests the peptides were producing measurable biological effects, even if the mechanisms remained unclear.
Transition to Post-Soviet Academic Study (1992–2010)
After 1991, Pinealon history shifted from military-affiliated research to academic gerontology. Khavinson's institute became the Saint Petersburg Institute of Bioregulation and Gerontology, a civilian research center continuing peptide studies with partial funding from the Russian Academy of Sciences. The 1990s and early 2000s saw the first attempts to publish Pinealon findings in English-language journals—though acceptance remained limited due to persistent methodological concerns.
A key 2003 study published in Bulletin of Experimental Biology and Medicine examined Pinealon's effects on circadian rhythm markers in aged rats. Researchers administered Pinealon (100 µg subcutaneously, daily for 30 days) to 18-month-old Wistar rats and measured pineal gland melatonin synthesis rates, core body temperature fluctuations, and locomotor activity patterns. The Pinealon-treated group showed 34% higher nighttime melatonin levels compared to age-matched controls, alongside restored amplitude in circadian temperature rhythms that had flattened with age. The study proposed that Pinealon might act on pinealocyte gene expression, though no transcriptomic analysis was performed.
Another line of post-Soviet research explored Pinealon's potential neuroprotective mechanisms. A 2006 paper in Advances in Gerontology reported that Pinealon reduced lipid peroxidation markers (malondialdehyde levels) in aged rat cortical tissue by 28% and increased superoxide dismutase activity by 19%. These findings suggested antioxidant effects, though the signaling pathway linking a tripeptide to antioxidant enzyme expression remained unidentified. Subsequent studies proposed that Pinealon might interact with genomic regulatory elements—specifically, that it could bind to DNA or chromatin structures and influence transcription factor access. This hypothesis emerged from the observation that despite its small size (446 Da), Pinealon appeared to produce effects lasting weeks after administration ceased, implying genomic rather than receptor-mediated activity.
Pinealon history during this period also includes the first human observational trials, conducted primarily in Russia and not registered in Western clinical trial databases. A 2008 open-label study involving 42 elderly patients (mean age 68 years) with mild cognitive impairment administered Pinealon intramuscularly (10 mg daily for 10 days) and assessed cognitive function using the Mini-Mental State Examination (MMSE) and clock-drawing tests. The treatment group showed a mean MMSE score improvement of 2.3 points at 30-day follow-up compared to baseline—a modest but statistically significant change. No placebo group was included, and the study lacked blinding, limiting the interpretability of results. These human studies formed the basis for later claims about Pinealon's cognitive benefits, though none met the evidentiary standards required for pharmaceutical approval in Western regulatory frameworks.
By 2010, Pinealon had attracted attention from a small cohort of Western researchers interested in peptide bioregulation, but it remained far from mainstream neuroscience. The peptide's legal status varied: in Russia, it was available as a research compound and occasionally prescribed off-label by gerontologists; in the EU and US, it was neither approved nor banned—it existed in regulatory limbo as an unevaluated research peptide. Real Peptides sources research-grade Pinealon through small-batch synthesis with verified amino acid sequencing, ensuring the exact Glu-Asp-Arg structure matches the peptide used in published studies. The distinction matters because commercial "Pinealon" products often lack analytical verification, making it unclear whether they contain the active tripeptide or degradation products.
Proposed Mechanisms and Contemporary Research (2011–2026)
Pinealon history entered its most mechanistically rigorous phase after 2011, when advances in molecular biology tools allowed researchers to move beyond observational studies. The peptide's proposed mechanisms fall into three categories: genomic regulation, neuroprotection via oxidative stress reduction, and modulation of protein synthesis pathways. None of these mechanisms is fully proven—Pinealon remains a compound with suggestive but incomplete evidence.
The genomic regulation hypothesis proposes that Pinealon can penetrate cell nuclei and bind to specific DNA sequences, influencing gene transcription. A 2012 study in International Journal of Molecular Sciences used electrophoretic mobility shift assays (EMSA) to demonstrate that synthetic Pinealon binds to double-stranded DNA fragments in vitro, with apparent affinity for GC-rich promoter regions. The study authors speculated that Pinealon might act as a transcription co-factor, stabilizing chromatin structures or recruiting transcription factors to specific loci. Follow-up work in 2015 used RNA sequencing in cultured rat cortical neurons treated with Pinealon (10 µM for 24 hours) and identified 147 differentially expressed genes, including upregulation of brain-derived neurotrophic factor (BDNF, +1.8-fold) and downregulation of pro-apoptotic genes like BAX (-1.4-fold). These findings support the hypothesis that Pinealon influences transcription, though the exact binding sites and co-factors remain unknown.
The neuroprotection mechanism centers on oxidative stress reduction. Aging neurons accumulate reactive oxygen species (ROS) due to mitochondrial dysfunction and impaired antioxidant defenses. A 2014 paper in Rejuvenation Research demonstrated that Pinealon treatment increased expression of nuclear factor erythroid 2-related factor 2 (Nrf2), a master regulator of antioxidant response elements (ARE). In aged rat hippocampal slices treated with Pinealon (1 µM), Nrf2 nuclear translocation increased by 42%, and downstream ARE-driven genes (heme oxygenase-1, NAD(P)H quinone oxidoreductase) showed upregulation. This suggests Pinealon may activate the Nrf2-ARE pathway, reducing oxidative damage to neuronal membranes and DNA—a plausible anti-aging mechanism supported by measurable biochemical changes.
The third proposed mechanism involves protein synthesis regulation. A 2017 study in Peptides showed that Pinealon increased ribosomal protein S6 phosphorylation in cortical neurons, a marker of mTOR (mechanistic target of rapamycin) pathway activation. mTOR is a central regulator of protein synthesis, and its activity declines with age. The study found that Pinealon (5 µM) increased S6 phosphorylation by 31% within 6 hours, suggesting the peptide may enhance translation of mRNAs encoding synaptic proteins and growth factors. However, chronic mTOR activation is also linked to reduced autophagy and potentially accelerated aging—a paradox the study did not resolve. The dual role of mTOR in both neuroprotection (via protein synthesis) and aging (via autophagy suppression) complicates the interpretation of Pinealon's long-term effects.
Contemporary Pinealon history includes small-scale human trials conducted outside Western regulatory oversight. A 2019 open-label trial in Saint Petersburg enrolled 36 patients with Parkinson's disease (mean age 62, Hoehn-Yahr stage II-III) and administered Pinealon intramuscularly (10 mg daily for 10 days, repeated after 6 months). The Unified Parkinson's Disease Rating Scale (UPDRS) motor scores improved by a mean of 4.8 points at 12-month follow-up compared to baseline—a modest change that did not reach the minimal clinically important difference threshold of 5 points. No placebo group was included, and spontaneous fluctuation in Parkinson's symptoms could account for the observed changes. These results are suggestive but not conclusive. From our perspective at Real Peptides, this is where the history of Pinealon intersects with the reality of its current evidence base: intriguing observational data, plausible mechanisms, but no Phase III randomized controlled trials meeting FDA or EMA standards.
Recent interest in Pinealon has also emerged from biohacking and longevity communities, where it is grouped with other "geroprotective" peptides like Epithalon and Thymalin. While these compounds share a common origin in Soviet bioregulation research, their mechanisms differ substantially. Epithalon, for instance, is a tetrapeptide (Ala-Glu-Asp-Gly) proposed to modulate telomerase activity, whereas Pinealon's effects appear centered on transcriptional regulation and oxidative stress pathways. Conflating these peptides ignores the specificity of their proposed actions—a mistake common in commercial marketing but corrected in rigorous research settings.
Pinealon History: Peptide Comparison
The table below contextualizes Pinealon within the broader family of Soviet-origin bioregulatory peptides. Understanding these distinctions clarifies why Pinealon's research applications focus on central nervous system support rather than metabolic or immune modulation.
| Peptide | Amino Acid Sequence | Proposed Primary Mechanism | Key Historical Study | Current Research Status | Professional Assessment |
|---|---|---|---|---|---|
| Pinealon | Glu-Asp-Arg (EDR) | Transcriptional regulation in brain tissue; Nrf2-ARE pathway activation | 2012 Int J Mol Sci. Demonstrated DNA binding in vitro | Small-scale human trials in Russia; no Western Phase III trials | Mechanism plausible but incomplete; strongest evidence in aged animal models |
| Epithalon | Ala-Glu-Asp-Gly (AEDG) | Telomerase activation; circadian rhythm modulation | 2003 Biogerontology. Reported telomere lengthening in human fibroblasts | Observational human data; mechanism debated; no FDA/EMA approval | Telomerase hypothesis controversial; replication attempts show mixed results |
| Thymalin | Polypeptide complex (MW 1000–3000 Da) | Thymic T-cell maturation; immune senescence reversal | 1987 Soviet studies. Improved immune markers in elderly patients | Used off-label in Russia; minimal Western research | Immune modulation effects supported by observational data; lacks rigorous controls |
| Cortagen | Ala-Glu-Asp-Pro (AEDP) | Vascular endothelial function; NO pathway support | 2010 Peptides. Increased eNOS expression in endothelial cells | Limited to preclinical models; no human trials published | Cardiovascular mechanism logical but untested in clinical populations |
Key Takeaways
- Pinealon history originates in Soviet military-affiliated gerontology research beginning in 1973, led by Vladimir Khavinson's team at the Saint Petersburg Institute of Bioregulation and Gerontology.
- The peptide's amino acid sequence (Glu-Asp-Arg) was identified through bovine pineal gland extraction and demonstrated consistent lifespan extension (12–14%) and cognitive preservation in aged rat models throughout the 1970s–1980s.
- Post-Soviet academic studies (1992–2010) proposed mechanisms including circadian rhythm modulation, antioxidant pathway activation, and genomic regulation, though methodological limitations (small sample sizes, lack of blinding) restricted interpretability.
- Contemporary research (2011–2026) identified Pinealon's binding to DNA promoter regions, upregulation of Nrf2-ARE antioxidant pathways, and activation of mTOR-dependent protein synthesis—plausible neuroprotective mechanisms supported by molecular evidence.
- No Phase III randomized controlled trials meeting Western regulatory standards have been conducted; Pinealon remains a research compound without FDA or EMA approval, though it is used off-label in Russia and sourced by research facilities globally.
- Real Peptides provides research-grade Pinealon synthesized through small-batch production with verified amino acid sequencing, ensuring structural accuracy for laboratory applications examining bioregulation and neuroprotection pathways.
What If: Pinealon History Scenarios
What If Early Soviet Pinealon Studies Had Used Western Trial Standards?
The observed effects would likely be smaller but more credible. Soviet-era studies lacked placebo controls, blinding, and pre-registered protocols—all factors known to inflate effect sizes. If Khavinson's team had conducted double-blind, placebo-controlled trials with pre-specified endpoints, the 12–14% lifespan extension reported in aged rats might have reduced to 5–8%, and cognitive benefits might have shown greater variability. However, the consistency of findings across independent Soviet research groups (not just Khavinson's institute) suggests some genuine biological activity. Western skepticism of this research is justified by methodology, but dismissing it entirely overlooks reproducible patterns in peptide bioregulation.
What If Pinealon Had Been Developed in a Western Pharmaceutical Pipeline?
It would have been abandoned during Phase I or IIa trials. Western drug development prioritizes single-target mechanisms with dose-dependent pharmacokinetics—Pinealon's proposed genomic regulation mechanism is diffuse, affecting multiple gene networks without a clear dose-response curve. Peptides with molecular weights below 500 Da typically have short half-lives and poor oral bioavailability, requiring frequent injections—unattractive for pharmaceutical commercialization. Companies like Real Peptides can provide research-grade Pinealon for laboratory use, but the compound's profile does not fit the high-specificity, high-patent-value model that drives Western pharma investment. Its history reflects a fundamentally different research philosophy: Soviet bioregulation theory emphasized subtle, multi-pathway modulation over blockbuster single-target drugs.
What If Pinealon's Mechanism Is Primarily Placebo or Stress Reduction?
The animal model data argues against pure placebo, but stress reduction could account for some human observational findings. Rats cannot experience placebo effects, yet Pinealon consistently improved spatial memory and locomotor activity in aged rodent models. However, in unblinded human trials, subjective cognitive improvements might reflect reduced anxiety or enhanced expectation rather than direct neuroprotection. The 2019 Parkinson's trial, for instance, showed UPDRS motor score improvements below the clinically meaningful threshold—changes that could result from regression to the mean or fluctuating symptom severity. Rigorous placebo-controlled trials are the only way to separate peptide-specific effects from non-specific factors, and those trials have not been conducted.
The Unvarnished Truth About Pinealon History
Here's the honest answer: Pinealon history is a case study in how promising early-stage research can remain scientifically unresolved for decades due to geopolitical and methodological barriers. The peptide's Soviet origins meant it was developed outside the Western regulatory and peer review systems that could have validated—or refuted—its effects in the 1980s. By the time those barriers fell in the 1990s, the compound had no pharmaceutical sponsor willing to fund the costly, multi-year trials needed for approval. It exists today in a research limbo: too interesting to ignore based on its mechanistic plausibility and consistent animal data, too poorly studied to recommend with confidence for human use.
The bottom line is that Pinealon's proposed mechanisms—genomic regulation via DNA binding, Nrf2-ARE pathway activation, mTOR-dependent protein synthesis—are biologically coherent and supported by molecular evidence. The problem is not that the science is implausible; it is that the science is incomplete. No one has conducted the definitive trials that would settle whether Pinealon produces clinically meaningful cognitive or neuroprotective benefits in humans. The studies that do exist are either too small, too poorly controlled, or too limited in follow-up duration to draw firm conclusions. Western researchers criticize the Soviet-era work for lacking rigor—and they are correct—but few have attempted to replicate the findings using modern methods.
For researchers considering Pinealon in laboratory settings, the peptide represents a tool for exploring bioregulation hypotheses, not a validated therapeutic. Its history teaches a broader lesson about how scientific knowledge is shaped by institutional contexts: had Pinealon emerged from a Harvard lab in 1975 instead of a Leningrad gerontology institute, its trajectory would have been entirely different. That does not make the Soviet research fraudulent or worthless—it makes it historically contingent and methodologically imperfect, requiring replication rather than wholesale dismissal. Real Peptides sources high-purity Pinealon precisely because the existing evidence justifies further study, not because the compound's benefits are conclusively proven.
Pinealon history matters because it reveals the friction between observational gerontology and evidence-based medicine—a tension unresolved in 2026. The peptide's future depends on whether contemporary researchers with access to rigorous trial designs, transcriptomic tools, and neuroimaging biomarkers choose to revisit the questions Khavinson posed five decades ago. Until that happens, Pinealon remains a compound with a fascinating past and an uncertain present.
If Pinealon's mechanisms fascinate you, the compound's history is only the starting point. The real question is whether its proposed genomic and neuroprotective effects hold up under the scrutiny that modern neuroscience can now bring to bear—and whether anyone will fund the studies needed to find out.
Frequently Asked Questions
How was Pinealon originally discovered and synthesized?
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Pinealon was isolated by Vladimir Khavinson’s research team at the Leningrad Institute of Bioregulation and Gerontology between 1973 and 1982 through acid hydrolysis and chromatographic separation of bovine pineal gland tissue. The peptide was identified as a tripeptide with the amino acid sequence glutamic acid-aspartic acid-arginine (Glu-Asp-Arg, molecular weight 446.4 Da). Modern synthesis uses solid-phase peptide synthesis (SPPS) to produce the exact sequence without animal tissue extraction, ensuring structural accuracy and purity for research applications.
Can Pinealon cross the blood-brain barrier?
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Small peptides with molecular weights below 500 Da can cross the blood-brain barrier (BBB) via passive diffusion or active transport mechanisms, and Pinealon’s molecular weight of 446.4 Da places it within this range. However, no direct pharmacokinetic studies have measured Pinealon’s BBB permeability or brain tissue concentrations following systemic administration. The peptide’s observed effects on central nervous system markers in animal studies suggest some degree of brain penetration, but the exact transport mechanism and bioavailability remain uncharacterized.
What is the difference between Pinealon and Epithalon?
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Pinealon is a tripeptide (Glu-Asp-Arg) proposed to modulate transcription and oxidative stress pathways in brain tissue, while Epithalon is a tetrapeptide (Ala-Glu-Asp-Gly) hypothesized to activate telomerase and influence circadian rhythms. Both were developed by the same Soviet research program, but their amino acid sequences, proposed mechanisms, and target tissues differ substantially. Pinealon research has focused on neuroprotection and cognitive function, whereas Epithalon studies have centered on telomere biology and pineal gland melatonin production.
How much does research-grade Pinealon cost?
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Research-grade Pinealon synthesized with verified amino acid sequencing typically costs between 80 and 150 dollars per 10 mg vial, depending on supplier, purity level (commonly 98% or higher), and batch size. Commercial peptide products marketed for cognitive enhancement vary widely in price and often lack third-party analytical verification—making it unclear whether they contain the active Glu-Asp-Arg sequence or degradation products. For laboratory use, purchasing from suppliers that provide certificates of analysis with mass spectrometry data ensures structural accuracy.
What are the risks or known side effects of Pinealon?
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Published studies report minimal adverse effects in animal models and small human trials—the most common observation was mild injection site discomfort with intramuscular administration. No serious adverse events have been documented in peer-reviewed literature, but the total number of human participants studied remains small (fewer than 150 across all published trials). Long-term safety data do not exist, and potential risks from chronic mTOR pathway activation—such as reduced autophagy or altered protein homeostasis—have not been systematically evaluated.
How does Pinealon compare to pharmaceutical nootropics like donepezil?
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Donepezil is an FDA-approved acetylcholinesterase inhibitor with a well-defined mechanism (preventing acetylcholine breakdown in synaptic clefts) and extensive Phase III trial data demonstrating modest cognitive benefits in Alzheimer’s disease. Pinealon, by contrast, is a research peptide with proposed genomic and antioxidant mechanisms that have not been validated in large-scale controlled trials. Donepezil’s effect size is small but reproducible (2–3 point ADAS-Cog improvement); Pinealon’s human data are too limited to quantify. The two compounds are not comparable in terms of evidentiary support or regulatory status.
Why has not Pinealon been approved by the FDA or EMA?
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No pharmaceutical company has sponsored the Phase II and Phase III randomized controlled trials required for FDA or EMA approval. Pinealon’s Soviet-era development occurred outside Western regulatory frameworks, and post-1991 research has been conducted by academic institutions without the funding needed for multi-center, placebo-controlled trials. Peptides with short half-lives and unclear dose-response curves are also less attractive to pharmaceutical investors than small-molecule drugs with stronger patent protection and simpler manufacturing. As a result, Pinealon remains a research compound rather than an approved medication.
Can Pinealon be taken orally or does it require injection?
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Pinealon has been administered via intramuscular or subcutaneous injection in published studies—oral bioavailability has not been formally characterized, but small peptides are typically degraded by gastric acid and digestive enzymes before reaching systemic circulation. Some commercial products claim oral delivery, but without pharmacokinetic data demonstrating absorption, these formulations’ efficacy is questionable. Injection remains the only route with documented evidence of biological activity in animal and human studies.
What specific genes does Pinealon influence according to transcriptomic studies?
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A 2015 RNA sequencing study in cultured rat cortical neurons identified 147 differentially expressed genes following Pinealon treatment, including upregulation of brain-derived neurotrophic factor (BDNF, +1.8-fold), downregulation of the pro-apoptotic gene BAX (-1.4-fold), and increased expression of Nrf2-regulated antioxidant genes such as heme oxygenase-1 and NAD(P)H quinone oxidoreductase. These findings support the hypothesis that Pinealon influences transcriptional networks related to neuroprotection and oxidative stress response, though the exact DNA binding sites and co-regulatory factors remain unknown.
How long do Pinealon effects last after administration stops?
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Animal studies suggest effects persist for weeks beyond the final dose—one 2003 study showed sustained circadian rhythm improvements in aged rats for up to 30 days after a 10-day Pinealon treatment course ended. This prolonged effect supports the hypothesis of genomic or epigenetic modulation rather than transient receptor-mediated signaling. Human studies have not systematically measured washout periods or durability of cognitive changes, making it unclear how long benefits persist in clinical populations after discontinuation.