Summary
BZP was marketed as a legal alternative to amphetamines and MDMA in the early 2000s but is now illegal in many countries. It is approximately 10% the potency of dexamphetamine. Side effects include anxiety, insomnia, nausea, headaches, and seizures at high doses. Risk of serotonin syndrome when combined with serotonergic drugs. Avoid use with cardiovascular conditions, epilepsy, or liver problems.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 40-70mg | 70-100mg | 100-130mg | 130mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset | After Effects | Total |
|---|---|---|---|---|---|---|
| Oral | 30-90 min | 30-60 min | 2-4 hrs | 2-4 hrs | 24 hrs | 240-0 min |
Tolerance
Build-up
develops over days to weeks of regular use
Reset
3–7 days for acute tolerance; longer for full reset
Effects
Positive
- Stimulation
- Increased energy
Negative
- Increased heart rate
- Vasoconstriction
- Insomnia
- Nausea
- Headache
- Teeth grinding
- Pupil dilation
- Bruxism
Positive
- Euphoria
- Wakefulness
- Focus enhancement
- Increased sociability
- Alertness enhancement
- Empathy Enhancement
- Enhanced music appreciation
Negative
- Anxiety
- Dizziness
- Talkativeness
Positive
- Color Enhancement
- Tracers
- Visual enhancement
- Pattern recognition enhancement
- Colour enhancement
- Tactile enhancement
- Bodily control enhancement
Negative
- Appetite suppression
- Light sensitivity
- Closed-Eye Visuals