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Head-to-head comparison of Alpha-GPC (L-alpha-glycerylphosphorylcholine / choline alfoscerate) and Unifiram — mechanism, side effects, legal status, and pricing.
Alpha-GPC is a non-peptide choline-containing phospholipid derivative that serves as an acetylcholine precursor. It is not FDA-approved in the United States, where it is sold as an unregulated dietary supplement and nootropic ingredient. The compound is marketed as a prescription drug in some countries (e.g., Italy as Gliatilin) for cognitive and vascular disorders, though current regulatory approval status has not been confirmed against primary agency databases. Alpha-GPC is not identified as a WADA-prohibited substance in secondary sources.
Unifiram (DM-232) is a synthetic non-peptide small-molecule nootropic structurally related to sunifiram, though not a racetam itself. It originated from Italian academic research (University of Florence) in the early 2000s and has never progressed beyond preclinical animal studies; it is not an approved or investigational drug in any regulatory database. Unifiram is sold openly by research-chemical vendors as an unregulated laboratory reagent. No human data of any kind exist.
Alpha-GPC (L-alpha-glycerylphosphorylcholine / choline alfoscerate)
Unifiram
Category
Legal Status
Mechanism
Side Effects
COA-verified vendors · trust score ≥70 required · single-vial price — bulk/bundle deals may be lower
Alpha-GPC (L-alpha-glycerylphosphorylcholine / choline alfoscerate)
Unifiram
COA corpus from Disclosed Labs — independently tested batches only.
Alpha-GPC (L-alpha-glycerylphosphorylcholine / choline alfoscerate)
No COA data yet.
Submit testing data →Unifiram
1
COAs
99.4%
Avg purity
1
Labs
Human data: A 12-week randomized controlled trial in 100 subjects with amnestic mild cognitive impairment found 600 mg/day improved ADAS-cog scores by 2.34 points versus placebo with no serious adverse events. A single-blind RCT in 39 healthy volunteers showed 400 mg/day for 2 weeks increased self-reported motivation versus placebo. A small crossover study in 7 resistance-trained men (published only as a conference-supplement abstract) reported a single acute 600 mg dose increased post-exercise growth hormone and peak bench-press force versus placebo. A large retrospective Korean cohort study (n=12,008,977 adults ≥50) found chronic alpha-GPC use associated with elevated 10-year stroke risk (total stroke adjusted HR 1.43, ischemic stroke aHR 1.34) in a dose-dependent pattern. Preclinical: Rat studies showed increased hippocampal acetylcholine release, modulation of choline acetyltransferase/acetylcholinesterase activity in aged rats, attenuation of age-related brain structural changes, and increased hippocampal neurogenesis in seizure models.
Key references
No human data of any kind exist for unifiram; no registered clinical trials or published human studies were found. All available evidence is from rodent behavioral and in-vitro electrophysiology studies. In mice and rats, unifiram (0.001–1 mg/kg i.p. or 0.01–0.1 mg/kg oral) reversed amnesia induced by scopolamine, mecamylamine, baclofen, clonidine, and NBQX in passive-avoidance and Morris water-maze tests, at doses roughly 1,000-fold lower than piracetam, without impairing motor coordination or altering spontaneous locomotor activity. No systematic toxicology (repeat-dose, genotoxicity, carcinogenicity) studies have been published.
Alpha-GPC (L-alpha-glycerylphosphorylcholine / choline alfoscerate) and Unifiram 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