Phenylpiracetam Stats & Data
Carphedon
Phenotropil
Fonturacetam
NPS DataHub
MW218.26
FormulaC12H14N2O2
CAS77472-70-9
IUPAC2-(2-oxo-4-phenylpyrrolidin-1-yl)acetamide
SMILES
NC(=O)CN1CC(CC1=O)c1ccccc1InChIKey
LYONXVJRBWWGQO-UHFFFAOYSA-N
Chemical Class
Phenethylamine
Psychoactive Class
Stimulant
Receptor Profile
Receptor Actions
Inhibitors
Dopamine reuptake inhibitor (selective, atypical)
Norepinephrine reuptake inhibitor (R-enantiomer)
Modulators
AMPA receptor positive allosteric modulator
Other
Nicotinic acetylcholine receptor (α4β2) ligand
Acetylcholine synthesis enhancer
Effect Profile
Curated + 14 Reports
Stimulant
6.8
Strong focus and stimulation with low euphoria and anxiety/jitters
Stimulation / Energy×3
8
Euphoria / Mood Lift×2
2
Focus / Productivity×2
9
Anxiety / Jitters×1
2
Based on reports from:
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Full tolerance
1h
Half tolerance
10d
Baseline
~14d
Experience Report Analysis
Erowid
14
Reports
2008–2023
Date Range
12
With Age Data
10
Effects Detected
Demographics
Gender Distribution
Age Distribution
Reports Over Time
Effect Analysis
ErowidEffects aggregated from 14 experience reports (14 Erowid)
14
Reports
10
Effects Detected
5
Positive
3
Adverse
2
Neutral
Effect Sentiment Distribution
Confidence Distribution
Positive Effects 5
Focus Enhancement
78.6%
70%
Stimulation
64.3%
70%
Euphoria
35.7%
70%
Music Enhancement
28.6%
70%
Empathy
28.6%
70%
Adverse Effects 3
Anxiety
42.9%
70%
Increased Heart Rate
28.6%
70%
Jaw Clenching
21.4%
70%
Dosage Distribution
Dose distribution from experience reports
Median: 300.0 mg
IQR: 100.0–300.0 mg
n=10
Real-World Dose Distribution
62K DosesFrom 24 individual dose entries
Oral (n=19)
Median: 200.0mg
25th: 100.0mg
75th: 300.0mg
90th: 320.0mg
mg/kg median: 2.162
mg/kg 75th: 3.482
Form / Preparation
Most common forms and preparations reported
Body-Weight Dosing
Dose relative to body weight from reports with weight data
Median: 3.006 mg/kg
IQR: 1.449–4.011 mg/kg
n=10
Redose Patterns
Redosing behavior across 12 reports
50.0%
Redosed
1.5
Avg Doses
References
Cited References
- Bluelight: Phenylpiracetam questions and dosing discussion
- Bluelight: Phenylpiracetam side effects and interactions
- Drugs.com - Phenylpiracetam summary
- International Journal of Neuropsychopharmacology - DAT inhibitor MRZ-9547 increases motivation (DOI)
- Neurochemical Journal - Phenotropil effects on neurotransmitter receptors (DOI)
- PubMed: R-phenylpiracetam DAT binding and neuroprotection
- Reddit: r/Nootropics - Phenylpiracetam tolerance discussion
- TripSit Factsheet: Phenylpiracetam (Carphedon)
- WADA Prohibited List - Stimulant section
- Reddit: r/Drugs – 75 mg insufflated experience
- Reddit: r/Nootropics – insomnia if dosed <12 h pre-bed
- Reddit: r/MAOIs – stimulant caution with MAOIs
- International J. Neuropsychopharmacology – DAT inhibitor MRZ-9547 increases motivation