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Sunifiram

Sunifiram (DM-235) is a 2000s Italian-academic compound from the Università di Firenze that showed extreme potency in rodent memory models — meaningful effect at 0.001-0.1 mg/kg, which is roughly 1…

Aliases (3)
DM-235 · 1-benzoyl-4-propanoylpiperazine · SUNIFIRAM
TYPICAL DOSE
3-5 mg oral or sublingual, single daytime dose
Daily
ROUTE
CYCLE
STORAGE

Overview

What is Sunifiram?

Sunifiram (DM-235) is a piperazine-derived ampakine-like research compound developed in Italy as a potential cognitive enhancer. It is structurally distinct from the racetam family but shares cognitive-enhancing effects, with reportedly greater potency than piracetam in animal models.

Key Benefits

Enhances learning and memory acquisition in rodent models at low doses, may improve focus and information processing, reverses scopolamine-induced amnesia, and has shown anti-amnesic and possibly neuroprotective effects in preclinical research.

Mechanism of Action

Acts as a positive allosteric modulator of the AMPA glutamate receptor, increasing glutamatergic synaptic transmission and long-term potentiation (LTP). It also indirectly enhances acetylcholine release in the hippocampus and may modulate glycine-site activity at NMDA receptors.

Peptide Interactions

Cholinergic precursors (alpha-GPC, citicoline):
Synergistic

Forum-popular pairing — AMPA potentiation increases ACh demand, so a cholinergic floor reduces headache risk.

Aniracetam:
Synergistic

Theoretically additive AMPA potentiation; risk = compounded seizure threshold reduction.

Other ampakines, IDRA-21, TAK-653:
Avoid

Additive AMPA modulation = additive seizure risk.

Bupropion, tramadol, high-dose modafinil:
Avoid

Independent seizure liability.

Sleep deprivation:
Avoid

Lowers seizure threshold.

What to Expect

  • Week 1
    Tolerability and dose-response.
  • Week 2-4
    Early effect window.
  • Week 4-8
    Peak benefit assessment.
  • Week 8+
    Cycle decision point.

Side Effects & Safety

  • Common (forum): Headache, mild jitter, irritability, insomnia if late-dosed
  • Less common: GI upset, anxiety, brain fog (paradoxical) at higher doses or daily use
  • Rare-serious: Seizure-threshold concerns are mechanism-driven and forum-anecdote-supported; no published case reports because no clinical population exists.
  • Specific watch periods: N/A — no human safety dataset.

References

Ghelardini et al. 2002 — DM-235 (sunifiram) cognition enhancer in mice (Br J Pharmacol)

ncbi.nlm.nih.gov · 2002
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Romanelli et al. 2006 — Sunifiram and unifiram pharmacology characterization

ncbi.nlm.nih.gov · 2006
View Study

Galeotti et al. 2003 — Mechanism characterization (cholinergic, glutamatergic)

ncbi.nlm.nih.gov · 2003
View Study

Martini et al. 2013 — Sunifiram NMDA glycine-site partial agonism

ncbi.nlm.nih.gov · 2013
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Lynch 2006 — Glutamate-based cognitive enhancement (review covering ampakines/racetams)

ncbi.nlm.nih.gov · 2006
View Study
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