Amphetamine
α-methylphenethylamine
Also known as Speed · Speed Paste · Whizz · Amph
Images
Quick reference
Duration
Experience
Primary effects
- Causes heady stimulation and warmth, with a definite increase in energy.
- Induces a positive, dreamy, and somewhat euphoric state, offering functional stimulation if concentration is applied.
- Significantly enhances libido and can lead to intense sexual drive.
Peak character
- Characterized by pleasant, mild headiness and strong sexual arousal.
- The experience is extremely enjoyable, with a potential for manic feelings while still allowing for functional concentration.
- Reported to be reminiscent of a combination of MPA and MDAI.
Negatives / side effects
- Street amphetamine often contains a high percentage of caffeine and other adulterants, making purity unpredictable and dosing difficult.
- Can lead to dilated pupils and suppression of appetite, necessitating conscious effort to eat and drink water.
- Repeated use or 'binging' can result in significant comedowns, including headaches, exhaustion, and feeling unwell.
Aftereffects / comedown
- Next-day effects include tiredness, lethargy, and continued pupil dilation.
- Comedowns from binging can be severe, characterized by headaches, exhaustion, dysfunction, and a general feeling of being unwell.
- There's a significant risk of psychological dependence, with strong urges to redose even after an initial session.
Reference dosage
Reference ranges from third-party harm-reduction databases. Individual response varies enormously — start lower than you think.
| light | 15mg+ |
| common | 25mg+ |
| strong | 40mg+ |
| heavy | 75mg+ |
Reagent testing
| Marquis | Orange → brown/black |
| Mandelin | Green → black |
| Liebermann | Orange → brown |
| Simon's | No reaction (primary amine — distinguishes from methamphetamine) |
Adulterant detection: Simon's test is key: methamphetamine (secondary amine) gives blue with Simon's while amphetamine does not. Fentanyl may be present in pressed pills.
Simon's test is an essential secondary test to confirm no methamphetamine. Fentanyl strip recommended for pressed pill forms.
Source
Reference fields and narrative for Amphetamine extracted from The Drug Users Bible by Dominic Milton Trott (MxZero Publishing, 2022).
drugusersbible.comHarm reduction notice
This platform provides educational and harm-reduction information adapted from public reference material. It does not endorse, encourage, or facilitate drug use. It is not medical advice. If you or someone near you may be in a medical emergency, contact local emergency services immediately.