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The 4-Hydroxy version of EPT. Slightly more potent than the prior.

Oral

Route dataTripSit

ThresholdLightCommonStrongHeavy
10–20 mg20–30 mg30–50 mg—+
050 mg
LightCommonStrongHeavy
Onset30–45 minutes
Total4–8 hours
After-effects1–12 hours
OnsetCome-upPeakOffset
Plan when to take 4-HO-EPT — see where onset, peak and comedown land on the clock

Source: TripSit — 4-HO-EPT ↗

Fact-sheets from PsychonautWiki. Harm-reduction reference only — not medical advice.