T0:00-Ingested gel cap, smoked a bit T0:40-Starting to feel first onset. ItΒs a bit of a floaty warmth, an amnesiac numbness. T1:10-Peak beginning to set in. Feel very friendly and social, begin to talk my friendsΒ heads off. One friend says I appear very very ΒhighΒ. Some more people show up at my house.
5-APDB
Encyclopedic
Encyclopedic
Typical encyclopedia coverage. Cross-reference for important decisions.
- 3 corroborating sources
- partial dose data
- duration data present
- 19 combo interactions documented
- classified Research-chemical
Encyclopedic
Typical encyclopedia coverage. Cross-reference for important decisions.
- 3 corroborating sources
- partial dose data
- duration data present
- 19 combo interactions documented
- classified Research-chemical
Summary
An entactogenic amphetamine stimulant with similar structure and effects to MDMA. An analogue of MDA, it is a highly selective serotonin releaser but inhibits reuptake of serotonin (weakly), dopamine and norepinephrine.
Perspectives
“All in all however, this one is a worthy addition to the toolkit. Perhaps its most interesting feature is its total lack of stimulation. Some have gone so far as to describe is as sedating, but I would say its effects on my body were overall neutral. It is psychedelic too, at least mentally.”
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 50-75mg | 75-125mg | - | 125-200mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Peak | Total |
|---|---|---|---|
| Oral | 19-60 min | 4-8 hrs | 4-8 hrs |
Effect Profile
2 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Psychedelic
2.8
Light+
3/10
Mild visuals with low body load and headspace
Visual Intensity
×3
4
color enhancement
tracers
Headspace Depth
×3
1
time distortion
Auditory Effects
×1
0
Body Load / Somatic Effects
×1
3
sweating
increased heart rate
Empathogen
4.1
Moderate
4/10
Moderate sensory enhancement and stimulation with mild euphoria, low empathy
Empathy / Social Openness
×3
2
increased sociability
Euphoria / Mood Elevation
×2
5
euphoria
mood lift
Stimulation
×1
6
stimulation
wakefulness
increased heart rate
Sensory Enhancement
×1
7
tactile enhancement
color enhancement
increased libido
Stimulant
4.0
Moderate
4/10
Moderate anxiety/jitters with mild stimulation and euphoria, low focus
Stimulation / Energy
×3
5
stimulation
wakefulness
Euphoria / Mood Lift
×2
5
euphoria
mood lift
Focus / Productivity
×2
2
thought acceleration
Anxiety / Jitters
×1
7
anxiety
increased heart rate
sweating
Based on reports from:
Add to PsychonautWiki Journal
The PsychonautWiki Journal logging app doesn't include every substance. To track 5-APDB there, start adding an ingestion, search for the name, and choose to add it as a custom substance. Paste these values:
Name
5-APDB
Unit
mg
Description
5-APDB Source: SubstanceSearch (substancesearch.com) Oral dose (mg): light 50-75 Β· common 75-125 Β· heavy 125-200+ Oral duration: onset 0.32-1h Β· peak 4-8h Β· total 4-8h Note: ranges are harm-reduction guidance, not a prescription. Start low, go slow, and test your substances.
Tip: for quicker logging you can also add a Custom Unit in the app, e.g. common dose ~ 100 mg (Oral).
The app keeps custom substances simple, so the full dose ranges live in the description text above. Ranges are harm-reduction guidance, not a prescription.
Tolerance
Build-up
develops rapidly after a single use
Reset
7β14 days for baseline
Tolerance Decay
Full tolerance
1h
Half tolerance
10d
Baseline
~14d
Acute tolerance: develops within a single session β the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.
Effects
Positive
- Increased energy/alertness
- Stimulation
Negative
- Weight loss
- Sweating
- Increased heart rate
- Pupil dilation
- Decreased need for sleep
- Decreased appetite
- Distrubed sleep patterns
- Bruxia
Positive
- Euphoria
- Increased sociability
- Mood lift
- Wakefulness
Negative
- Agressiveness
- Anxiety
- Excessive talking
- Moodiness
- Thought acceleration
- Time distortion
Positive
- Tactile enhancement
- Increased music appreciation
- Color enhancement
- Increased libido
- Tracers
Negative
- Light sensitivity
- Dehydration
- Appetite suppression
- Increase sexuality
- Visual and audiotory hallucinations itchiness
Combinations
Cross-Check 5-APDB with another substanceTrip Reports
Community Trip Reports
Anecdotal first-person accounts from Reddit, Erowid, and Bluelight. Click a source to expand. Reports are harm-reduction context, not medical guidance. Tags summarise each author's own verdict — how reports are classified.
Erowid 2 reports 1 positive 1 neutral visit
Not much preparation, just got off a busy busy day of work, last meal eaten was about four hours prior, a flatbread sandwich and some cholesterol free chips, nothing heavy. After an insufflated 5 milligrams for allergy testing, I weighed out 100 milligrams of 5-APDB and parachuted it in some tissue paper.
Bluelight Reference Guide
The Main 5-APDB Thread
5-(2-Aminopropyl)-2,3-dihydrobenzofuran 5-(2-Aminopropyl)-2,3-dihydrobenzofuran (5-APDB, 3-Desoxy-MDA, EMA-4) is a putative entactogen drug of the phenethylamine and amphetamine classes.
Read full thread on Bluelight β
5-APDB's nerd page
Pharmacology, chemical data, effect profiles, and more
→
Helpful Links
Report an issue or suggest an edit
Spotted incorrect or dangerous information, have a correction, a new study, or a useful addition for 5-APDB? Let us know. Reports are reviewed by moderators — this is not posted publicly.