Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Informational only. Not medical advice.INFORMATIONAL PLATFORM ONLY — NOT MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT
Head-to-head comparison of Aniracetam and Sunifiram — mechanism, side effects, legal status, and pricing.
Aniracetam is a non-peptide pyrrolidinone derivative and positive allosteric modulator of AMPA-type glutamate receptors. It is marketed as a prescription drug for cognitive disorders in some European countries (Italy, Greece) but has never been approved by the US FDA as either a drug or dietary supplement ingredient. The compound was reportedly withdrawn from the Japanese market following a failed confirmatory trial. Despite lacking US regulatory approval, aniracetam is openly sold online by nootropic-supplement retailers, often with significant label-accuracy problems.
Sunifiram (DM-235) is a synthetic non-peptide piperazine derivative marketed online as an 'ampakine-like' cognitive enhancer. Despite common branding, primary research shows it acts indirectly via the glycine-binding site of the NMDA receptor to potentiate AMPA-receptor-mediated transmission, not as a direct AMPA agonist. No human clinical trials or toxicology studies have been conducted, and sunifiram is not approved for any human or veterinary use worldwide. It is sold on the gray market without regulatory vetting.
Aniracetam
Sunifiram
Category
Legal Status
Mechanism
Side Effects
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Aniracetam
No pricing data yet.
Check Aniracetam prices →Sunifiram
COA corpus from Disclosed Labs — independently tested batches only.
Aniracetam
2
COAs
99.5%
Avg purity
2
Labs
Sunifiram
1
COAs
99.5%
Avg purity
1
Labs
The principal human efficacy evidence is one 6-month, double-blind, placebo-controlled multicenter trial in 109 elderly patients meeting probable-Alzheimer's criteria, which showed significant improvement in psychobehavioral parameters versus placebo with excellent reported tolerability, though no itemized adverse-event breakdown was available. No long-term (multi-year) human safety data were located, and no interventional trials of aniracetam are currently registered on ClinicalTrials.gov. In rodent models, aniracetam (50 mg/kg/day for 10 postnatal days) reversed prenatal-ethanol-induced avoidance-learning deficits in rat offspring and increased AMPA-receptor-mediated synaptic currents in hippocampal CA1 pyramidal cells. However, oral aniracetam (50 mg/kg, 5 days/week for 6 weeks) produced no cognitive or behavioral enhancement in healthy adult C57BL/6J mice across a comprehensive test battery.
Key references
No human data exist. In olfactory-bulbectomized mice given oral sunifiram 0.01–1.0 mg/kg daily for 7–12 days, spatial reference memory (Y-maze) and short-term recognition memory (novel object recognition) improved, and impaired hippocampal CA1 long-term potentiation was restored via NMDAR-glycine-site-dependent CaMKII/PKC signaling (blocked by gavestinel). In mouse hippocampal slices, sunifiram (1–1000 nM, peaking at 10 nM with a bell-shaped dose-response) potentiated CA1 LTP via the glycine-site/PKCα/CaMKII pathway. In passive-avoidance models, sunifiram reversed amnesia in mice and rats at doses roughly four orders of magnitude lower than piracetam. No toxicology studies or human clinical trials have been conducted as of 2016.
Aniracetam and Sunifiram are both in the Cognitive category and may have overlapping mechanisms. Researchers should review both profiles carefully, understand the mechanisms of action, and monitor the relevant biomarkers when combining compounds in the same class. As always, consult a licensed healthcare provider before making any decisions about combining research compounds.
This platform provides informational tools only, not medical advice. This comparison is for educational purposes only. Consult a licensed provider.
Contraindications
Lab Testing
Key references
Disclosed Labs