Citation noticeOur citation system is being overhauled
References and citation markers may currently be incomplete, mismatched, or incorrect. This system is being rebuilt and reviewed before the full site launch.
Dosage & Duration
Dosage
Doses are population estimates that vary widely between individuals.
Duration
Subjective Effects
Pharmacology
Interactions
An unlisted combination is an unknown one, not a safe one. Check a dedicated combination chart before mixing.
Tolerance
Harm Potential
Addiction & Dependence
Psychological
ModerateLong-term use of 3-FMA is associated with moderate addiction risk, high abuse potential, and possible psychological dependence in some users. Abrupt discontinuation may be followed by cravings and withdrawal effects.
Toxicity
Due to putative serotonin-releasing properties, long-term use may potentially cause cardiotoxicity through excess 5-HT2B receptor activity, similar to effects seen with fenfluramine and MDMA; this risk remains theoretical and unstudied for 3-FMA specifically.
Psychosis Risk
Abuse at high dosages for prolonged periods can potentially result in stimulant psychosis presenting with paranoia, hallucinations, or delusions. Approximately 5-15% of users who develop amphetamine-induced psychosis fail to recover completely.
History & Culture
Legality
International
Many jurisdictions are described as legally uncertain for 3-FMA, especially where analogue laws or intent-related facts matter.
By Country
References
Citations
Article Status
Step 1 · Automated synthesisAn autonomous workflow built by Josie Kins compiled this article's foundation from information published across the web.
- Step 2 · First-pass reviewPending
Not yet reviewed: this article is pending editorial review by Lyrea.
- Step 3 · Citation reviewPending
No one has reviewed this article's citations yet. That second pass checks each claim against the source it cites.
Suggest an edit
Spotted a mistake, an outdated claim, or something missing from the 3-FMA article? Send the editors a private note. Feedback lands in a moderation queue and is never shown on the site.
Wish to give generalised feedback? You can do so here.