Oxiracetam
Stimulant-leaning racetam, AMPA + cholinergic activity, focus-oriented.
Pharmacology
Contents
DETAILED OVERVIEW
What is Oxiracetam?
Oxiracetam is a 4-hydroxy derivative of Piracetam, generally described as mildly stimulant-like in contrast to Aniracetam`s relaxing profile. Its action combines AMPA-PAM with HACU (high-affinity choline uptake) facilitation, with indirect mTOR-pathway interaction also suggesting synaptic-level structural strengthening (PMID PMC6853072). Memory consolidation, attention, and reaction time improvements documented with chronic dosing and good tolerability (PMID 2518332, 7749739). In demented rodent models, reverses cognitive deficits via neuronal apoptosis regulation. It was marketed in Italy as Neuractiv and Neuromet.
Mechanism
AMPA-PAM + HACU
Half-life
~8 h
Legal status
EU Rx (IT)
Anecdotal reports describe Oxiracetam at around 1000 mg as a solid cognitive enhancer, with users noting dialed-in focus when supplementing 1 g Alpha-GPC alongside it to maintain choline levels. Community accounts describe Oxiracetam as one of the more structured members of the racetam family, improving focus, verbal fluidity, and mental organization. Users commonly employ it for study sessions and memorization-heavy tasks as a daily driver. Evidence suggests it functions effectively as a memory enhancer when taken consistently, making it a viable choice for long-term nootropic protocols. Compared to other racetams, it leans cognitive and focus-oriented rather than mood-modulating, with AMPA and cholinergic activity underlying the profile.
⚠ Not clinical evidence – based on user accounts.
Receptor profile
- AMPA glutamate receptorModerate
- Acetylcholine release (HACU)Moderate
- Phospholipid metabolismModerate
- Dopamine (prefrontal)Weak
Safety
Side effects, stop signs, contraindications
Side effects · 6
- Headache from acetylcholine depletion, mitigated by a choline source (Alpha-GPC, CDP-choline)
- Insomnia and restlessness, especially with late-evening dosing (stimulating-type racetam)
- Irritability and nervousness at higher doses
- Mild gastrointestinal discomfort, nausea
- Mental fatigue or brain fog with insufficient choline intake
- Dizziness, occasionally brief concentration fluctuations during the initial phase
Contraindications · 5
- Pregnancy and breastfeeding: insufficient safety data, avoid
- Severe renal impairment: dose reduction needed, as it is excreted largely unchanged via the kidneys
- Epilepsy or seizure predisposition: caution due to glutamatergic/AMPA-enhancing activity
- Concurrent cholinergic agents: combined with a choline source, cholinergic excess (nausea, sweating) may appear instead of headache
- Stimulants and caffeine: the stimulating effect can stack, increasing anxiety and insomnia
Related Nootropics
Same therapeutic category
FAQ
FAQ
Oxiracetam is a nootropic compound typically used to support focus, concentration and mental alertness, with a somewhat more energizing, stimulant-like feel than some of its more relaxing relatives. According to the description, it works by stimulating brain signaling and the cholinergic system, aiming to sharpen attention and thinking. The available source does not list detailed specific user benefits, so only general statements can be made here.
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Structure & chemistry
The information here is strictly for educational and scientific purposes. It does not replace medical advice or clinical consultation, and it does not encourage illegal substance or pharmaceutical use. Data is sourced. When in doubt, consult your doctor.