Noopept
A nootropic dipeptide with a reputation in the biohacking community as a 'stronger piracetam' — in reality a substance registered as a drug only in Russia and the CIS, with an evidence base built almost entirely on animal and in-vitro studies, and very thin, low-confidence human data.
Number of studies
3
Safety
Requires caution
Time to effects
Subjective effects are sometimes reported within days to a few weeks in informal user accounts, but no controlled study in healthy humans has confirmed a clear time course or the actual magnitude of any effect.
Monthly cost
ok. 60–120 zł/miesiąc, przy czym cena nie odzwierciedla kontrolowanej jakości produktu
Price in Poland
Jako "research chemical": ok. 60–120 zł za opakowanie starczające na miesiąc, zależnie od źródła i braku standaryzacji
Who it's for
Niska cena w stosunku do deklarowanej "siły działania" nie jest dowodem wartości — brak regulacji rynku poza Rosją oznacza, że cena nie jest powiązana z jakością, czystością czy nawet potwierdzoną zawartością substancji w produkcie.
Indicative prices for the Polish market — we don't point to specific retailers; the real price depends on the manufacturer, form and place of purchase.
Table of contents
TL;DR
A nootropic dipeptide with a reputation in the biohacking community as a 'stronger piracetam' — in reality a substance registered as a drug only in Russia and the CIS, with an evidence base built almost entirely on animal and in-vitro studies, and very thin, low-confidence human data.
- →Shows neuroprotective and antioxidant activity in animal models in the context of neuronal oxidative stress
- →Retains anti-amnesic (memory-protective) activity in rats after oral administration, not only intravenous
- →One of the very few human clinical studies, in patients with mild cognitive impairment after brain injury, reported a positive trend, though in a small sample
| Substance | Ethyl N-phenylacetyl-L-prolylglycinate (INN: omberacetam), a nootropic dipeptide |
|---|---|
| Regulatory status | Registered prescription drug in Russia and part of the CIS; unapproved, unregulated 'research chemical' in the West |
| Level of evidence | Preliminary — almost entirely animal and in-vitro studies, very limited human clinical data |
| Proposed mechanism | Prodrug metabolized to cycloprolylglycine — AMPA receptor modulation, possible effect on NGF/BDNF |
| Human pharmacokinetic data | Very limited; half-life data come mainly from animal models |
| Availability in Poland/EU | No legal registration as a drug or supplement — informally sold as a 'research chemical' |
Understand
Overview
Noopept (chemical name: ethyl N-phenylacetyl-L-prolylglycinate; INN: omberacetam) is a synthetic dipeptide from the nootropic substance class, developed in Russia in the 1990s as a compound structurally related to piracetam but chemically distinct — despite the popular name, it isn't a racetam in the strict chemical sense, but a separate class of compound. The substance has gained noticeable popularity over the past decade in the international biohacking and nootropics community, where it's often presented as a much stronger, more modern alternative to classic racetams.
Noopept's regulatory status is a key element that's easy to lose track of amid enthusiastic product descriptions. In Russia and part of the Commonwealth of Independent States, noopept is a registered prescription drug, available under the brand name Noopept since roughly 2002, used clinically mainly for mild cognitive impairment following brain injury or cerebrovascular events. In the United States, the European Union, and most Western countries, noopept is neither an approved drug nor a legal dietary supplement ingredient — it's sold mainly as an unregulated 'research chemical' through online stores, meaning there's no external quality, purity, or content control whatsoever.
The evidence base for noopept's effectiveness is, frankly, very narrow and overwhelmingly preclinical. A review of the available scientific literature shows dozens of studies in animals (mainly rats) and in-vitro cell models, a significant portion conducted by one Russian research team (Ostrovskaya, Gudasheva, and colleagues at the Institute of Pharmacology of the Russian Academy of Medical Sciences) — the same team that developed the molecule. The number of published, controlled clinical trials in humans is very small — independent reviews put it at one or two small, unblinded or partially blinded studies, conducted mainly in patients with mild vascular or post-traumatic cognitive impairment, not in healthy people, and not replicated outside Russia.
This gap between online enthusiasm and the actual scale of scientific evidence is a typical pattern for many popular 'research chemicals' sold as nootropics. Promising results from animal and cell models — neuroprotection, antioxidant activity, improved memory in rodent aversion tests — aren't automatic proof of a comparable effect in a healthy adult human taking the substance orally at a typical, forum-popular dose. Extrapolating from rodent models to the human brain is notoriously unreliable in neuroscience, and the substance itself has never gone through the full, multi-stage approval process required in Western markets.
A frequently repeated marketing claim is that noopept is '1,000 times stronger' than piracetam. This claim, while literally true in one very specific sense, is in practice misleading. It refers to a comparison of effective doses in animal models measured per kilogram of body weight (noopept works in animal models at doses in the milligram-per-kilogram range, piracetam at gram-per-kilogram doses) — not to a thousand-fold stronger clinical effect in humans. These two things aren't equivalent, and treating a lower effective dose as proof of a dramatically stronger action is a common interpretive error in popular substance descriptions.
The proposed mechanism of action for noopept — AMPA receptor modulation and a possible effect on neurotrophic factors like nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) — comes almost entirely from animal and cell studies. The hypothesis that noopept is a prodrug metabolized to the endogenous dipeptide cycloprolylglycine, which in turn modulates AMPA and TrkB receptors, is mechanistically interesting and well described in preclinical literature, but remains largely unconfirmed at the level of the human brain — there are no imaging or biochemical studies in humans that clearly confirm this same mechanism in clinical practice.
For anyone considering noopept, the most important practical takeaway is an honest distinction between 'a promising preclinical research topic' and 'a well-studied, safe substance with confirmed effects in humans.' Noopept is the former, not the latter — which doesn't automatically mean it's dangerous, but does mean that a decision to use it rests in practice on extrapolation from animal models and a small number of poorly controlled human studies, not on a solid evidence base comparable to well-studied nootropics like caffeine or citicoline.
History of use
Noopept was synthesized in the 1990s at the Institute of Pharmacology of the Russian Academy of Medical Sciences by a team led by Tatiana Gudasheva, as part of a search for new nootropic compounds structurally inspired by piracetam. The substance, labeled GVS-111 in the earliest scientific publications, was registered as a prescription drug in Russia around 2002 under the brand name Noopept, used clinically mainly for mild cognitive impairment of vascular or post-traumatic origin. In the West, the substance remained outside the drug and supplement registration system, gaining popularity from around 2010 mainly through internet forums and 'research chemical' stores, independent of and detached from its Russian regulatory status.
Mechanism of action
The leading mechanistic hypothesis, based mainly on studies by the Russian Gudasheva and Ostrovskaya team, holds that noopept acts as a prodrug — after absorption it's rapidly metabolized (within minutes in rodents) into the endogenous dipeptide cycloprolylglycine (CPG), naturally present in the body. It's this metabolite, CPG, not the parent noopept molecule itself, that's considered responsible for most of the effects observed in preclinical models — the low, short-lived presence of noopept itself in blood and brain (a half-life of minutes in rats) makes it hard to imagine the unmetabolized molecule itself accounting for effects lasting hours, as sometimes described in user reports.
Cycloprolylglycine, the active metabolite in this hypothesis, is described in the preclinical literature as a modulator of AMPA receptors (one of the main glutamate receptor types, key to synaptic plasticity and memory processes) and as a compound whose neuroprotective action depends on TrkB receptor activation — the receptor for brain-derived neurotrophic factor (BDNF). In studies on isolated human cortical neurons (including cell lines related to Down syndrome), the parent noopept molecule itself (labeled GVS-111 in these early studies) showed dose-dependent neuroprotective activity against hydrogen-peroxide-induced oxidative stress, stronger in this specific in-vitro model than piracetam or several classic antioxidants.
A second, more frequently cited element in popular materials is the effect on NGF and BDNF expression. A rat study found that a single dose of noopept raised mRNA expression of both factors in the hippocampus, while the effect in the cerebral cortex was the opposite after a single dose and only slightly positive after chronic 28-day dosing — a mixed pattern dependent on brain region and dosing schedule, not uniformly positive in every context. The study's authors themselves framed the results as justifying further research into noopept's potential for preventing neurodegenerative disease in people with mild cognitive impairment — explicitly as a hypothesis to investigate, not a confirmed clinical effect.
A critical caveat easy to lose in enthusiastic summaries of this literature is that none of the described mechanisms — AMPA modulation, TrkB activation, changes in NGF/BDNF expression — has been clearly confirmed in humans through imaging, biochemical, or other direct measures of brain activity. All of this mechanistic knowledge comes from animal and cell models, which is a standard, justified first phase of research into a new substance, but isn't equivalent to confirming the same mechanism operates the same way in the human brain after a typical oral dose taken outside a controlled research setting.
Rapid metabolism to cycloprolylglycine
After absorption, noopept is rapidly converted (within minutes in animal models) into the endogenous dipeptide cycloprolylglycine, considered the main active metabolite.
AMPA receptor modulation
Cycloprolylglycine is described as an AMPA receptor modulator, key to the synaptic plasticity underlying memory — mainly in preclinical models.
TrkB receptor activation
Part of the metabolite's neuroprotective action depends on TrkB activation, the receptor for the neurotrophic factor BDNF.
Effect on NGF and BDNF expression
Rat studies found changes in the expression of both neurotrophic factors in the hippocampus and cortex, dependent on dose and duration of use.
Antioxidant activity in cell models
In isolated human cortical neurons, the molecule itself showed dose-dependent neuroprotective activity against oxidative stress.
Evidence: early-stage — based on 3 studies in this database.
Benefits
Common myths
MythNoopept is 1,000 times stronger than piracetam, so it works dramatically better.
FactThe '1,000 times stronger' comparison refers to effective doses in animal models measured per kilogram of body weight, not to a thousand-fold stronger clinical effect in humans — a lower effective dose in rodent studies and a dramatically stronger clinical effect in humans are two different, non-equivalent things.
MythSince noopept is a registered drug in Russia, its efficacy and safety are confirmed to a standard comparable to drugs approved by the FDA or EMA.
FactThe Russian drug registration system has historically had different, often less rigorous evidentiary requirements than Western agencies — registration in Russia isn't equivalent to passing through the full, multi-stage clinical trial process required by the FDA or EMA.
MythThe extensive scientific literature on noopept means its effects in humans are well confirmed.
FactThe vast majority of this literature consists of animal and cell model studies, largely conducted by a single research team that is also the molecule's inventor — the number of independent, controlled clinical trials in humans is very small, and results haven't been widely replicated outside Russia.
MythA product bought online as 'noopept' definitely contains exactly what the label says.
FactOutside the Russian pharmaceutical market, noopept is sold as an unregulated 'research chemical,' with no external quality control — there's no guarantee of the actual content, purity, or even identity of the substance in a purchased product.
Forms & variants
Noopept comes in several forms that differ in bioavailability and use case — the form you pick genuinely matters for how effective the supplementation is.
Noopept (pharmaceutical preparation, Russia)
A registered prescription drug available in the Russian market and parts of the CIS, manufactured under regulatory control appropriate for drugs.
Best for: Patients in Russia/CIS qualified by a doctor for treating mild cognitive impairment
Noopept as a 'research chemical' (Western market)
Powder or capsules sold outside the drug and supplement registration system, without external quality, purity, or actual content control.
Best for: Not a form that can be assumed safe by default — lack of regulation means no guarantee of product quality
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Practice
Frequently asked questions
Noopept isn't a registered drug or a legal dietary supplement ingredient in Poland and the EU. It isn't formally banned under criminal law in the typical sense either, but it's sold outside the drug and food regulation system, mainly as an unregulated 'research chemical' — meaning no external quality or purity control.
There are, but very few — independent literature reviews point to one or two small, poorly controlled clinical trials, conducted mainly in Russia in patients with mild cognitive impairment, not in healthy people. The longest published study ran 56 days, and results haven't been widely replicated by independent teams outside Russia.
The leading hypothesis, based mainly on animal studies, holds that noopept is a prodrug metabolized into the dipeptide cycloprolylglycine, which modulates AMPA receptors and affects BDNF/TrkB-dependent pathways. This mechanism hasn't been clearly confirmed by human studies — all of this knowledge comes from animal and cell models.
No — despite the popular name suggesting it belongs to the racetam family, noopept is a chemically distinct dipeptide, structurally inspired by piracetam but not one itself. It also works in a completely different dose range (milligrams, not grams), which is sometimes mistakenly interpreted as proof of a dramatically stronger clinical effect.
There's no well-described long-term safety profile in humans — the longest published clinical study ran 56 days. The absence of data on safety over months or years isn't proof of no risk, only proof of insufficient research to assess that risk.
The Russian pharmaceutical preparation is subject to national regulatory control appropriate for drugs. Products sold outside Russia as 'research chemicals' don't go through such control, meaning no guarantee of the actual content, purity, or even identity of the substance in a purchased product.
Dosage & timing
Typical dose
In Russian clinical practice: usually 10–20 mg twice daily; dosing in informal, uncontrolled sources varies more widely, with no clearly established, human-study-confirmed safe upper limit
Form
Tablets (Russian pharmaceutical preparation) or powder/capsules sold as a 'research chemical' outside Russia, without external quality control
Outside Russia, noopept is neither a registered drug nor a legal dietary supplement, meaning there's no external quality control over products sold.
Best times to take it
- In the morning and during the day, not in the evening — due to sleep disturbance risk reported by some users
- Divided doses (twice daily) as described in Russian clinical practice, not a single large dose
Safety
Side effects & contraindications
Possible side effects
Headaches — the most commonly reported adverse effect in informal user reports
Irritability and increased tension in some people, especially at higher doses
Sleep disturbances, especially when taken later in the day
No well-described long-term safety profile in humans — data come mainly from short studies (the longest published study ran 56 days)
Unknown actual content and purity of products sold as 'noopept' outside the Russian pharmaceutical market, due to lack of regulation
Contraindications
Pregnancy and breastfeeding — no safety data of any kind
Children and adolescents — no studies in this population
People with active mental illness — no data on interaction with psychiatric medications or safety in this group
Situations requiring a product of confirmed quality and purity — lack of market regulation outside Russia means no guarantee about the contents of a purchased product
Interactions
Other nootropic and stimulant substances — no systematic interaction studies, risk of unpredictable cumulative effects
Psychiatric medications (antidepressants, anxiolytics) — no data on safe combination, theoretical interaction risk via effects on neurotransmission
Alcohol — no noopept-specific data, general caution warranted when combining with understudied CNS-active substances
Is it worth taking?
Who it's for
- There's no well-established, solidly-evidenced target group in Western markets, where the substance isn't an approved drug
- In Russia/CIS: patients with mild cognitive impairment of vascular or post-traumatic origin, qualified by a doctor
- People following the preclinical literature as an observational topic — not as grounds for self-directed, off-label supplementation without awareness of the evidence's limits
Not for
- Pregnancy and breastfeeding — no safety data of any kind
- Children and adolescents — no studies in this population
- People with active mental illness — no data on interaction with psychiatric medications or safety in this group
- Situations requiring a product of confirmed quality and purity — lack of market regulation outside Russia means no guarantee about the contents of a purchased product
Evidence
Worth knowing
Noopept is a registered prescription drug only in Russia and part of the Commonwealth of Independent States — nowhere in the West.
The leading mechanistic hypothesis holds that noopept is a prodrug, rapidly metabolized into the endogenous dipeptide cycloprolylglycine.
Published human clinical studies are very few (one or two small trials), the longest running 56 days, with results not widely replicated outside Russia.
The claim of being '1,000 times stronger' than piracetam refers to animal-model doses per kilogram of body weight, not to the strength of the clinical effect in humans.
Studies
Noopept significantly increased the survival of human cortical neurons exposed to oxidative stress, with a stronger effect than the standard nootropic agent piracetam or several classic antioxidants in the same in-vitro model.
Pelsman A et al., International Journal of Developmental Neuroscience, 2003
GVS-111 prevents oxidative damage and apoptosis in normal and Down's syndrome human cortical neurons
Early-stage evidencePelsman A, Hoyo-Vadillo C, Gudasheva TA, Seredenin SB, Ostrovskaya RU, Busciglio J · International Journal of Developmental Neuroscience · 2003
An in-vitro study on isolated human cortical neurons found dose-dependent neuroprotective activity of noopept (labeled GVS-111) against hydrogen-peroxide-induced oxidative stress, stronger in this model than piracetam and several classic antioxidants — a cell-based study, not one in living humans.
View studyNoopept stimulates the expression of NGF and BDNF in rat hippocampus
Early-stage evidenceOstrovskaya RU, Gudasheva TA, Zaplina AP, et al. · Bulletin of Experimental Biology and Medicine · 2008
A rat study found that a single dose of noopept raised mRNA expression of the neurotrophic factors NGF and BDNF in the hippocampus, while the effect in the cerebral cortex was different — a pattern dependent on brain region and dosing schedule, a study in animals, not humans.
View studyProline-containing dipeptide GVS-111 retains nootropic activity after oral administration
Early-stage evidenceOstrovskaya RU, Gudasheva TA, Zaplina AN, et al. · Bulletin of Experimental Biology and Medicine · 2001
A rat study confirmed that noopept's anti-amnesic activity (0.5–10 mg/kg) is preserved after oral administration, not just intravenous — practically significant, but still a preclinical study in rodents, not in humans.
View studySources & bibliography
- Examine.com — Noopept
- Alzheimer's Drug Discovery Foundation — Noopept Cognitive Vitality Report
- Wikipedia — Omberacetam (Noopept)
The PubMed identifiers in this knowledge base were checked against NCBI records (October 2026). If you spot an error in a source, please let us know via the contact form.
Compare with similar entries
About the authors of this entry
Author
Julia WiśniewskaEditor, Neurohacking & Sleep
Julia studied cognitive neuroscience planning an academic career, but partway through her PhD she realized she cared more about explaining research than running it. She started a podcast on sleep optimization — first for a handful of friends, now followed regularly by tens of thousands of listeners — and that podcast opened the door to writing for VitMode. She specializes in chronobiology, nootropics and recovery protocols, and her pieces often start from a question she asked herself during her own sleep experiments — including one memorable month living on a 28-hour "day," which she doesn't recommend anyone repeat. Off the clock, she sleeps surprisingly little for someone who writes about it professionally, and she's the first to laugh about it.
96 publications on this site
Medical review
dr Marek WójcikPsychiatrist
Marek specializes in psychiatry and spent most of his career at the intersection of psychiatry and sleep medicine, watching how often mood disorders and sleep problems feed each other — and how treating them separately tends to work worse than treating them together. Julia talked him into joining, having met him while both were working on the topic of insomnia: him from the clinical side, her from chronobiology. He reviews content on how supplements and lifestyle affect mood, stress and cognitive function, always underlining the difference between easing a symptom and treating its cause, and flagging when a topic goes beyond what's safe to handle on your own. He believes the biggest risk in popular mental-health content isn't too little information but too much of it with no sense of priority — and that's the hierarchy he tries to bring to his reviews.
33 publications on this site
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Comments (2)
- KW
Kasia W. 2 weeks ago
Very clearly explained, especially the interactions section — I hadn't seen it laid out this well anywhere else.
- MT
Marek T. a month ago
Are you planning to update this with the newest study from this year? I saw an interesting meta-analysis.
