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4-FMA

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3 sources

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Collated from PsychonautWiki, TripSit, Pharmacology. Where sources differ (e.g. dosing), Compare shows them side by side.

Sections
EntactogenStimulantSubstituted amphetaminesResearch-chemicalHabit-formingEmpathogenPW

Also known as 4-FMA, 4-fluromethamphetaminePW

A stimulant with some empathogenic properties, and analogue of Methamphetamine with similar effects. Reported to be less effective than 2-FMA and related compounds. Little is known about the pharmacological effects of this compound. Not to be confused with 4-FA, which has a different effect profile, despite similar potency.TS

Addiction potentialPW
moderately addictive with a high potential for abuse
ToxicityPW
exact toxic dosage is unknown
TolerancePW
full tolerance develops with prolonged and repeated use; half after 3 - 7 days; baseline after 1 - 2 weeks
Cross-tolerancePW
dopamine, stimulant

Oral

Route dataPsychonautWiki

Dose
WeakerStronger
ThresholdLightCommonStrongHeavy
10 mg25–50 mg50–75 mg100–125 mg125 mg+
0156.25 mg
LightCommonStrongHeavy
Duration
ShorterLonger
Onset20–40 minutes
Come-up20–40 minutes
Peak2–5 hours
Offset1–2 hours
Total4–8 hours
After-effects3–12 hours
OnsetCome-upPeakOffset

Dangerous interactionsPW

TramadolaMTMAOIs
Plan when to take 4-FMA — see where onset, peak and comedown land on the clock

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