Phenibut
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A derivative of GABA with the addition of a phenyl ring which allows it to cross the Blood Brain Barrier. Is mostly used as an anti-anxiety and anti-insomnia medication. Tolerance and physical dependency builds very quickly.
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 300–600 mg | 600–1200 mg | 1200–1800 mg | —+ |
01800 mg
LightCommonStrongHeavy
| Onset | 30–120 minutes |
|---|---|
| Total | 9–16 hours |
| After-effects | 1–24 hours |
OnsetCome-upPeakOffset
Plan when to take Phenibut — see where onset, peak and comedown land on the clock
Plan a dose of Phenibut
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Source: TripSit — Phenibut ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.