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4-FA

4-fa

Basic Information

Summary

An empathogen commonly used in place of MDMA, having a similar duration of empathogenic effects. This drug, however, has a longer stimulant "tail," during which effects are more like those of amphetamines. Not to be confused with 4-FMA, which has a similar potency, but is not particularly empathogenic.

Stimulant

Stimulants excite the nervous system and increase physiological function.

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Research Chemical

Research chemicals are drugs with relatively little history of human use, and thus particular care should be taken if choosing to ingest them.

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Habit-forming

These drugs pose a higher risk of causing habit forming behaviour, take particular care with the amount and frequency they are taken.

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Common

Common drugs are those which are well known and widely used among the drug community. This doesn't necessarily mean they are safe, but it usually comes with a longer relative history of use in humans with which to establish a safety profile.

Dose

Oral
Light50-70mg
Common70-110mg
Heavy115-150mg

NOTE: Insufflating does not appear to provide a better bioavailability than oral ingestion, and can cause damage to nasal cavity.

Duration

Oral
Onset30-90 minutes
Duration4-8 hours
After-effects1-24 hours

Aliases

4-Fluoroamphetamine
4fa
4-fmp
4-fluoroamphetamine

Avoid

Other stimulants, and depressants. MXE is also to be avoided (possibility of serotonin syndrome). See combo information for more.

Effects

Euphoria, increased energy/alertness, decreased need for sleep, increased sociability, mood lift, increased sexuality, excessive talking, decreased appetite, weight loss, sweating, disturbed sleep patterns, bruxism, visual and auditory hallucinations, itchiness, aggressiveness, moodiness.

4-fa

dose: Oral Light: 50-70mg Common: 70-110mg Heavy: 115-150mg | NOTE: Insufflating does not appear to provide a better bioavailability than oral ingestion, and can cause damage to nasal cavity.

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Interactions

No interaction information for 4-FA

References & Notes

General