Empathogens
BZP (Benzylpiperazine)
Street names: BZP, Legal X, A2
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Amphetamine-like stimulation, euphoria
- Less empathy than MDMA
⚠Key risks
- The 2000s 'party pill' wave before banning
- Serotonin syndrome (BZP+TFMPP combos)
- Insomnia, agitation
- Seizures at high doses
- Cardiovascular strain
✚Overdose signs
- Seizures
- Racing heart
- Severe agitation
- Serotonin syndrome (combos)
📋Quick facts
Also known asBZP, Legal X, A2
CategoryEmpathogens
Schedule / classSchedule I (US, 2002); controlled worldwide
AppearancePills/powder — the original 'party pill'
Street price~$3–$10 per pill (residual)
Legal statusSchedule I US; controlled worldwide
Last updated2026-09-17
Sources: DEA, EMCDDA
Category comparison — Empathogens
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| BZP (Benzylpiperazine) | Schedule I | The 2000s 'party pill' wave before banning; Serotonin syndrome (BZP+TFMPP combos) | ~$3–$10 per pill |
| TFMPP (Trifluoromethylphenylpiperazine) | Schedule I analog; controlled EU/CA/AU | Sold as 'legal X' — the piperazine epidemic of the 2000s; Serotonin syndrome risk with real MDMA or antidepressants | ~$5–$15 per pill |
| Adderall (Study Drug Abuse) | Schedule II | Dependence and tolerance — study-drug use escalates; Cardiovascular strain; rare sudden death in users with heart conditions | $3–$15 per 30 mg tablet |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does BZP (Benzylpiperazine) look like?
Pills/powder — the original 'party pill'
What are the signs of a BZP (Benzylpiperazine) overdose?
Seizures; Racing heart; Severe agitation Call emergency services immediately.
How addictive is it?
The 2000s 'party pill' wave before banning Dependence can develop with regular use.