NootropicInvestigational · Research use only
Phenibut
β-Phenyl-γ-aminobutyric acid
GABA-B agonist and calcium channel blocker with anxiolytic and nootropic effects. Developed in Russia for stress, anxiety, and sleep support; carries dependency risk with chronic use.
CognitiveSleep
Class
Nootropic / Cognitive / Sleep
Targets
Loading research profile
Evidence
1 linked resource
Related
Adamax · Dihexa
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Research overview
Benefits
- Anxiety reduction
- Improved sleep quality
- Stress relief
- Mild cognitive support
Research side effects
- Research-use only; safety data in healthy humans is limited or absent.
- Headache
- Insomnia
- GI discomfort
- Insomnia if dosed late
Timing
Administer in the evening or 30–60 minutes before intended sleep.
Common research stacks
Semax
Selank
Cerebrolysin
Dihexa
P21
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Studies & resources
Research reference only · Review source material independently · Not medical advice