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Also known as 25B-NBOMe

25B-NBOMe can be fatal at heavy doses.[1] It is strongly discouraged to take large amounts of this substance or to insufflate (snort) it. Please see this section for more details.

Addiction potential
not habit-forming
Toxicity
potentially fatal at heavy dosages
Tolerance
full tolerance almost immediately after ingestion; half after 1 week; baseline after 2 weeks
Cross-tolerance
psychedelic

Insufflated

Route dataPsychonautWiki

ThresholdLightCommonStrongHeavy
25 µg50–200 µg200–350 µg350–500 µg—+
0500 µg
LightCommonStrongHeavy

Sublingual

Route dataPsychonautWiki

ThresholdLightCommonStrongHeavy
50 µg100–300 µg300–500 µg500–700 µg—+
0700 µg
LightCommonStrongHeavy
Onset20–40 minutes
Come-up30–90 minutes
Peak4–6 hours
Offset2–4 hours
Total8–12 hours
After-effects2–6 hours
OnsetCome-upPeakOffset

Dangerous interactions

Plan when to take 25B-NBOMe — see where onset, peak and comedown land on the clock

Source: PsychonautWiki — 25B-NBOMe ↗

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