[December 2022: The doses in this report have been corrected since it was first published. The updates are indicated in brackets. In the author's word: "I made a small error, and the capsules I took were actually 100mg instead of 200mg as I stated in my earlier report, making my actual doses half of what I originally s...
Phenylpiracetam
Well-documented
Well-documented
Multiple authoritative sources agree on dosing and effects.
- 4 corroborating sources
- 2 ROAs with full dose ladders
- duration data present
- PubChem toxicity data
- classified Research-chemical
Well-documented
Multiple authoritative sources agree on dosing and effects.
- 4 corroborating sources
- 2 ROAs with full dose ladders
- duration data present
- PubChem toxicity data
- classified Research-chemical
Aliases: Carphedon, Phenotropil, Fonturacetam
Summary
Phenylpiracetam (also known as Phenotropil and Carphedon) is a central nervous system stimulant and nootropic agent belonging to the racetam family of drugs. Although it is one of the first derivatives of piracetam to be synthesized and documented, research into its properties and efficacy in humans is limited. Phenylpiracetam is readily available and sold through online vendors as a dietary supplement in the United States.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 50-100mg | 100-200mg | 200-400mg | 400mg+ |
| Sublingual | 50-100mg | 100-200mg | 200-400mg | 400mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset | Total |
|---|---|---|---|---|---|
| Oral | 20-40 min | 30-60 min | 1-3 hrs | 1-2 hrs | 4-6 hrs |
| Sublingual | 5-15 min | 15-30 min | 1-3 hrs | 1-2 hrs | 4-6 hrs |
| Insufflated | 5-15 min | 15-30 min | 1-3 hrs | 1-2 hrs | 4-6 hrs |
Effect Profile
14 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Stimulant
6.8
Strong+
7/10
Strong focus and stimulation with low euphoria and anxiety/jitters
Stimulation / Energy
×3
8
stimulation
stamina enhancement
wakefulness
mild stimulation
Euphoria / Mood Lift
×2
2
motivation enhancement
Focus / Productivity
×2
9
focus enhancement
analysis enhancement
memory enhancement
motivation enhancement
Anxiety / Jitters
×1
2
increased heart rate
Based on reports from:
Tolerance
Build-up
develops rapidly after a single use (serotonergic psychedelic)
Reset
7β14 days for baseline
Tolerance Decay
Full tolerance
1h
Half tolerance
10d
Baseline
~14d
Acute tolerance: develops within a single session β the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.
Effects
Aggregated from 14 Erowid experience reports
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%
Community Trip Reports
Anecdotal first-person accounts from Reddit, Erowid, and Bluelight. Click a source to expand. Reports are harm-reduction context, not medical guidance.
Erowid 8 reports 6 neutral 2 cautionary visit
Previous experience with nootropics: Piracetam, Phenylpiracetam, Vinpocetine, Sunifiram, PRL-8-53, Noopept, Previous experience with stimulants: Amphetamine, Dexedrine, Methamphetamine, 4-MMA, 2-FMA, 4-FMA, 2-FA, 3-FA, PEA, MDA, MDMA, MDAI, 5-Me-MDA, 5-API, 5-APB, 6-APB, 5-MAPB, EFLEA, Methcat,Pseudoephedrine, 3,4-DMMC...
(T+0:00) I'm sitting outside waiting for my online church to start. My chest is a little sore from a workout yesterday. Birds are singing and the day seems lovely so far. (T+0:20) Listening to Church. Understanding the message and feeling more in tune with everything. A slight tingle in the brain.
I suffer from ADHD, and am prescribed Adderall. Unfortunately, I have a nasty habit of using my month's prescription in a week to enhance my performance at work, and then am stuck without effective medication for the remainder of the month.
Phenylpiracetam Preamble: I have been a recovering alcoholic for about ten weeks now. After sobering up, my emotions stabilized and my general cognition got better, but there was something missing. The little things werenΒt there: my love for music, chemistry, friends and family was minuscule or nonexistent.
First Experience With Phenylpiracetam First, a little bit about me. I'm a single father, I own two contracting companies that consume a ton of my daylight time, and I also bar tend/wait tables at night. So I'm regularly pulling 16-17 hour days.
IΒve written reports on other nootropics such as noopept and phenibut in the past, but they seem to have different uses other than the goal of replacing traditional stimulants for helping me get through school and work.
Background of drug experience: was a heavy addict of heroin, percocet, oxycotin, propofol, morphine, suboxone and fentanyl. Experience with: LSD, Mushrooms, MDMA(pure rock), Ecstasy, Crack, Coke, Cannabis, Alcohol, Vallium, Xanax, Adderal, Vyvanse, and Methamphetamine.
Bluelight 1 thread 1 neutral visit
So I had already administered Phenylpiracetam orally multiple times, looking for a buzz (if I'm being honest). I found myself disappointed, although it was useful for staying up and keeping my mind alert at work when I hadn't slept at all the night before.
Phenylpiracetam's nerd page
Pharmacology, chemical data, effect profiles, and more
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