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Aniracetam

Well Researched

First-generation lipophilic racetam (Hoffmann-La Roche, 1970s).

Aliases (10)
Draganon · Sarpul · Ampamet · Memodrin · Referan · Ro 13-5057 · 1-(4-methoxybenzoyl)-2-pyrrolidinone · N-anisoyl-2-pyrrolidinone · CAS 72432-10-1 · ANIRACETAM
TYPICAL DOSE
750-1000 mg single dose with a fat-containing m…
2-3x daily
ROUTE
Oral (tablet)
Oral
CYCLE
4 weeks on / 1 week off
As prescribed
STORAGE
Room temp; original container
Room temp

Overview

What is Aniracetam?

Aniracetam is a fat-soluble racetam-class nootropic developed in the 1970s. It is a derivative of piracetam with broader effect profile, used for memory, mood, anxiety, and creativity. Prescription in some EU countries (Italy, Spain) for cognitive disorders; sold as a research compound elsewhere.

Key Benefits

Anxiolytic effect with cognitive enhancement, improved verbal fluency and creativity, mild mood lift, and synergy with cholinergic stacks. Faster onset than piracetam due to lipid solubility.

Mechanism of Action

Positive allosteric modulator of AMPA glutamate receptors (slows desensitization), modulates cholinergic and dopaminergic transmission, and influences D2/5-HT2A signaling. Lipid-soluble — crosses BBB rapidly.

Brand options8 known
DraganonSarpulAmpametMemodrinReferanRo 13-5057N-anisoyl-2-pyrrolidinoneCAS 72432-10-1

StatusNot US-scheduled. **FDA-unapproved "new drug"** — not legal in US dietary supplements (per Centera Bioscience / Nootropics Depot DOJ enforcement, plea Oct 2023 / sentenced Feb 2024). Prescription medicine in **Italy** (Ampamet) and **Greece** (Memodrin, Referan) for cognitive/cerebrovascular disorders. **Withdrawn from Japan** (1990s) after a confirmatory placebo-controlled trial failed. **Schedule 4 (Rx-only)** in Australia. Legal personal-purchase (no prescription) in UK.

Research Protocols

Disclaimer: These are commonly discussed research protocols and not medical advice.

Goal:Avoid stacking with another racetam on the same day
Dose:
Frequency:
Solo:
Cycle:
Goal:200 mg TID = 600 mg/day
Dose:
Frequency:
Solo:
Cycle:
Goal:PRN use means cycling is intrinsic
Dose:
Frequency:
Solo:
Cycle:

Peptide Interactions

citicoline
Synergistic

(already in the canonical stack at 500 mg/day Cognizin) — covers the choline cofactor requirement, prevents headache, supports the cholinergic arm of anirace…

alpha-GPC
Synergistic

alternative choline source; some users prefer for racetam stacks due to higher CNS penetration. Citicoline is fine and already in V4.

fat / MCT oil / fish oil softgels
Synergistic

required for absorption. the canonical stack fish oil (Carlson Super DHA) at breakfast naturally provides this.

modafinil
Synergistic

orthogonal mechanism (DAT/NET inhibition + histaminergic for modafinil; AMPA-PAM + mGluR for aniracetam). No published interaction concerns; theoretically ad…

alcar
Synergistic

mitochondrial energy support + acetylcholine precursor; mechanism-aligned with the cholinergic arm. Reasonable PRN combo.

other racetams chronically
Avoid

(pramiracetam, oxiracetam, coluracetam, piracetam, phenylpiracetam, nefiracetam, fasoracetam) — cross-tolerance, choline competition, signal-muddying. Pick o…

MAOIs
Avoid

(phenelzine, tranylcypromine, moclobemide; high-dose selegiline) — theoretical serotonin-syndrome risk. Low-dose selegiline at 1-2.5 mg (the canonical stack …

TAK-653
Avoid

same general AMPA-PAM family. No mechanistic point in stacking, additive AMPA potentiation, multiplies the "AMPA + subconcussive impact" theoretical concern.…

High-dose stimulants + caffeine + amphetamines
Avoid

additive cortical excitability; theoretical seizure-threshold concern at the upper end (likely irrelevant at biohacker doses, worth flagging).

Quality Indicators

Pharmacy-dispensed, intact packaging

Prescription tablets in original sealed packaging from a licensed pharmacy.

!

Generic vs branded

Generics are usually fine but bioavailability can vary slightly; track if you switch.

Unbranded blister or counterfeit risk

Counterfeit pharmaceuticals are a known issue; verify pharmacy and lot if buying internationally.

What to Expect

  • Onset
    20-45 min. Depends on fat content and gastric transit. Faster on top of an existing meal vs taken alone.
  • Peak
    1-2 h. Mood lift, verbal fluency, mild cognitive sharpness, often described as "music sounds better" / "colors more saturated" / "dialogue flows easier in co…
  • Taper
    3-5 h. Subjective effects fade as N-anisoyl-GABA clears CSF. No "crash" reported in the typical user report; some report mild headache or fatigue at the 4-6 …

Side Effects & Safety

  • Common (>10% in clinical trials and user reports):
    • Headache (frontal, cholinergic-depletion type) — most common; mitigated by adequate choline cofactor (citicoline 250-500 mg or alpha-GPC 300 mg).
    • Mild GI discomfort — nausea, occasional stomach cramps; typically resolves with food.
  • Less common (1-10%):
    • Anxiety / nervousness (paradoxical) — reported in a subset; mechanistically plausible at higher doses (AMPA potentiation overshoot).
    • Fatigue — reported, possibly via cholinergic depletion or post-effect drop.
    • Insomnia if dosed late in the day (rare but reported).
    • Mild dizziness / lightheadedness — uncommon.
  • Rare-serious (<1% but worth knowing):
    • MAOI interaction. Aniracetam showed nonselective MAOI activity in a rat study. Combination with prescription MAOIs (selegiline at antidepressant doses, phenelzine, tranylcypromine), reversible MAOIs (moclobemide), or natural MAOIs (Syrian rue, Banisteriopsis caapi) carries a theoretical serotonin-syndrome risk. For the user: low-dose selegiline (1-2.5 mg AM, V5 plan) is not full MAOI inhibition, but caution is warranted on dosing days. Avoid concurrent moclobemide or any high-dose MAOI.
    • Hepatic — CYP-mediated metabolism means standard liver-panel watch on chronic high-dose use; no hepatic toxicity signal in the registrational trials, but limited chronic safety data >12 months in healthy adults.
    • Bipolar mood instability — theoretical concern given dopaminergic/serotonergic release; clinical relevance unknown for the dose range.
  • Specific watch periods:
    • First 1-2 weeks of any new use: monitor for paradoxical anxiety, headache pattern, and sleep-onset effects.
    • Chronic daily use >4 weeks: liver panel if running >1500 mg/day (low priority but non-zero).
    • Coadministration with selegiline / other MAOI activity: avoid stacking until single-compound tolerance is established.

References

Aniracetam — Wikipedia

en.wikipedia.org

chemical identity (CAS 72432-10-1), brand names, regulatory status by country, metabolism summary, pharmacokinetics summary.

View Study

Aniracetam: An Evidence-Based Model for Preventing the Accumulation of Amyloid-β Plaques in Alzheimer's Disease (Karri & Spann, J Alzheimers Dis 2024; PMC11091568)

pmc.ncbi.nlm.nih.gov · 2024

2024 mechanism model paper proposing alpha-secretase / BDNF / mGluR amyloid-prevention pathway. Hypothesis only, no in vivo data.

View Study

The Mechanism of Action of Aniracetam at Synaptic AMPA Receptors: Indirect and Direct Effects on Desensitization (Ito et al., Mol Pharmacol 2003; PubMed 12869631)

pubmed.ncbi.nlm.nih.gov · 2003

reference paper for AMPA-PAM mechanism; slows channel closing + desensitization microscopic rates.

View Study

Aniracetam (Ro 13-5057) in the treatment of senile dementia of Alzheimer type (SDAT): results of a placebo controlled multicentre clinical study (1991, Eur Neuropsychopharmacol; PubMed 1822317)

pubmed.ncbi.nlm.nih.gov · 1991

registrational EU trial, 1500 mg/day, n=109, 6 months; SCAG 12-35% improvement vs 9-19% placebo decline.

View Study

Clinical Efficacy of Aniracetam, Either as Monotherapy or Combined with Cholinesterase Inhibitors (Koliaki et al., Adv Ther 2012; PMC6493642)

pmc.ncbi.nlm.nih.gov · 2012

open-label MCI / mild dementia data.

View Study
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