Psychostimulant of the substituted amphetamine class. Used in medicine as an appetite suppressant.
Oral
Route dataTripSit
| Threshold | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| — | 15–20 mg | 20–40 mg | 40–70 mg | —+ |
070 mg
LightCommonStrongHeavy
| Onset | 4–6 hours |
|---|---|
| After-effects | 1–10 hours |
OnsetCome-upPeakOffset
Source: TripSit — Phentermine ↗
Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.