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Phenylpiracetam
Also known as: Phenotropil, Carphedon
Racetam
NootropicT2Partial ProfileAcute
C
Tier C
Single RCT or lower-quality studies
Potent racetam with stimulant properties. Developed in Russia for cosmonauts. Notable for physical performance enhancement.
Mechanism of Action
Modulates AMPA and NMDA receptors. Increases dopamine receptor density. Inhibits dopamine reuptake.
Contraindications
- Rapid tolerance development (limit use to 2-3x/week)
- Banned by WADA for athletic competition
Performance Profile
Physical Energy
+3
Mental Stamina
+4
Alertness
+3
Motivation
+4
Dosage
100mg
min
200mg
300mg
max
Timing
Best time
Morning
30 min
onset
6 hr
duration
Half-life
5 hrSafety & Legal
7/10
Generally safe
Legal Status
Unregulated
Mild
Moderate
Severe
Insomnia
1-10%moderate
Irritability
0.1-1%mild
Headache
0.1-1%mild