Psychedelics
aMT (alpha-Methyltryptamine)
Street names: AMT, Indopan, IT-290, The tortoise
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Long (12–16 h) serotonin-releasing psychedelic-stimulant hybrid: energy + visuals
- Sold as 'cheap MDMA' in the 2000s
⚠Key risks
- SEROTONIN SYNDROME DEATHS — aMT releases serotonin AND blocks its breakdown; combined with SSRIs, MDMA, or DXM it can kill
- The 'long tortoise' duration traps anxious users
- Sold as MDMA at MDMA doses = overdose
- MAOI properties + stimulant load
✚Overdose signs
- Agitation, clonus, fever (serotonin syndrome)
- Racing heart, seizures
- Hallucinations 12h+
📋Quick facts
Also known asAMT, Indopan, IT-290, The tortoise
CategoryPsychedelics
Schedule / classSchedule I (US); Class A UK
AppearanceOff-white powder/crystals; historically 5–10 mg antidepressant tablets, now sold as powder
Street price~$15–$35 per dose
Legal statusSchedule I US; Class A UK
Last updated2026-09-18
Sources: DEA, NIDA, EMCDDA
Category comparison — Psychedelics
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| aMT (alpha-Methyltryptamine) | Schedule I | SEROTONIN SYNDROME DEATHS — aMT releases serotonin AND blocks its breakdown; combined with SSRIs, MDMA, or DXM it can kill; The 'long tortoise' duration traps anxious users | ~$15–$35 per dose |
| MDMA | Schedule I | Overheating + dehydration (or fatal water intoxication); Serotonin depletion — multi-day comedown | ~$10–$40 per pill |
| DMT (dimethyltryptamine) | Schedule I | Psychological distress ('bad trips'); Dangerous behavior if unprepared | ~$20–$60 per 50–100 mg dose |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does aMT (alpha-Methyltryptamine) look like?
Off-white powder/crystals; historically 5–10 mg antidepressant tablets, now sold as powder
What are the signs of a aMT (alpha-Methyltryptamine) overdose?
Agitation, clonus, fever (serotonin syndrome); Racing heart, seizures; Hallucinations 12h+ Call emergency services immediately.
How addictive is it?
SEROTONIN SYNDROME DEATHS — aMT releases serotonin AND blocks its breakdown; combined with SSRIs, MDMA, or DXM it can kill Dependence can develop with regular use.