Home
Random
Log in
Settings
About PsychonautWiki Archive
Disclaimers
PsychonautWiki Archive
Search
This is an
unofficial archive
of
PsychonautWiki
as of
2025-08-08T03:33:20Z
. Content on this page may be
outdated
,
incomplete
, or
inaccurate
. Please refer to the
original page
for the most up-to-date information.
F-Phenibut/Summary
Language
Watch
View source
Main article: F-Phenibut
Psychoactive class:
Depressant
Chemical class:
Gabapentinoids
Oral
Thresh
Common
Heavy
50
-
100
-
150
-
400
-
600
mg
Light
Strong
Total
: 6 - 8 hours
Onset
: 20 - 60 minutes
Harm potential
Moderately physically and psychologically addictive
Low toxicity, exact toxic dosage is unknown
Tolerance
Full tolerance is reached within a couple of days of continuous use
Returns to baseline after 7 - 14 days
Physical effects
Stimulation
Respiratory depression
Sedation
Dehydration
Dizziness
Frequent urination
Headache
Increased perspiration
Muscle cramp
Nausea
Respiratory depression
Stomach cramp
Temperature regulation suppression
Cognitive effects
Cognitive euphoria
Compulsive redosing
Empathy, affection and sociability enhancement
Increased music appreciation
Motivation enhancement
Anxiety suppression
Disinhibition
Thought deceleration
See also
Responsible use
Summary index
Subjective effect index
Psychoactive substance index