spec sheet10 rows
3-FMA is methamphetamine with a fluorine at the meta (3) position of the ring. It works on the dopamine and norepinephrine systems like other fluorinated methamphetamines, giving a stimulating and euphoric character. It is an under-studied research chemical and carries the standard amphetamine-class risks.
- Wakefulness and energy
- Elevated mood
- Improved focus
- Raised heart rate and blood pressure
- Appetite loss
- Insomnia
- Comedown and anxiety
Mechanism
3-FMA is a substituted amphetamine that raises and by acting as a releasing agent and at their transporters. The meta-fluoro position and N-methyl group give a profile between the more functional 2-FMA and more euphoric parent methamphetamine, with limited direct activity. Its detailed pharmacology in humans is not well characterized.
receptor fingerprint
()Releaser / reuptake inhibitor
transporter (NET)Releaser / reuptake inhibitor
Safetyrisks and cautions, not medical advice
It raises heart rate and blood pressure, suppresses appetite and sleep, and can drive compulsive redosing and dependence like other potent stimulants. Combining it with other stimulants or MAOIs raises the risk of dangerous blood pressure spikes and cardiac strain. Heavy or repeated use can bring anxiety, paranoia, and a rough comedown. Not medical advice.
Subjective profileweighing the evidence above
Essentially methamphetamine with a fluorine attached and almost nothing published on it, which means the full amphetamine-class dependence, cardiac and paranoia risk with none of the characterization. There is no argument for it over a stimulant somebody has actually studied.
Resources
This entry is here for reference.
Research
- 1.The potent psychomotor, rewarding and reinforcing properties of 3-fluoromethamphetamine in rodents.
- 2.Monoamine transporter and receptor interaction profiles of novel psychoactive substances: para-halogenated amphetamines and pyrovalerone cathinones.
2 listed here; entry last updated August 2026
Reviews
My notesprivate to this device
FAQ
How does 3-FMA compare to 2-FMA?
The meta-fluoro 3-FMA is generally reported as more euphoric and stimulating, while 2-FMA is described as more subtle and functional.
Is it addictive?
Yes. As a strong dopaminergic stimulant it can drive compulsive use and dependence.
Is it well studied?
No. Human data is limited, so its long-term safety is essentially unknown.
Adverse effects
- Raised heart rate and blood pressure
- Appetite loss
- Insomnia
- Comedown and anxiety