Back to all substances
67

Phenylpiracetam

Also known as: Phenotropil, Carphedon

Racetam

Nootropic
C

Tier C

Single RCT or lower-quality studies

T2Partial ProfileAcute

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 hr

Safety & 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