2-FA - Substance Search

Summary TheDrug.Wiki TripSit PsychonautWiki

2-FA is a research chemical with limited scientific study. Anecdotal reports suggest it produces clean, functional stimulation similar to dextroamphetamine, with relatively few side effects at moderate doses. However, at higher doses productivity effects diminish and recreational overstimulation can occur.

Dose Information TheDrug.Wiki TripSit PsychonautWiki

ROA	Light	Common	Strong	Heavy
Oral	15-30mg	30-50mg	50-60mg	60mg+

Light Common Strong Heavy

Onset, Duration & After-effects TheDrug.Wiki TripSit PsychonautWiki

ROA	Onset	Comeup	Peak	Offset	After Effects
Oral	15-30 min	15-30 min	1-2 hrs	60-90 min	1-4 hrs
Insufflated	5-10 min	10-15 min	1-2 hrs	60-90 min	1-4 hrs

Effect Profile

5 reports

Scores (1–10) curated from multiple sources:

Effect keyword matching from PsychonautWiki catalog
Weighted by importance: core (×3), major (×2), minor (×1)

Full methodology

Stimulant 6.6

Strong+ 7/10

Strong euphoria, anxiety/jitters, and focus with mild stimulation

Stimulation / Energy ×3

5

stimulation wakefulness

Euphoria / Mood Lift ×2

10

physical euphoria cognitive euphoria euphoria mood lift motivation enhancement

Focus / Productivity ×2

9

focus enhancement analysis enhancement motivation enhancement thought acceleration

⚠ Anxiety / Jitters ×1

10

anxiety paranoia increased heart rate teeth grinding bruxism vasoconstriction +1 more

Based on reports from:

Erowid Experience Reports PsychonautWiki 2-FA

Tolerance

Build-up develops over days to weeks of regular use

Reset 3–7 days for acute; 1–3 weeks for full reset

Tolerance Decay

Full tolerance 4d Half tolerance 7d Baseline ~28d

Based on community reports (Bluelight/Reddit) and general amphetamine-class behavior; no controlled human data for 2‑FA. Frequent redosing over several days appears to flatten effects and lengthen insomnia. Data quality is anecdotal.