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Stimolante · amphetamine
Amphetamine
alias Speed · Adderall · Pep · Whizz · Billy
Ultima verifica
Amphetamine is a stimulant that promotes the release of dopamine and noradrenaline. It comes as both a racemic mixture (street "speed" and pharmaceutical Adderall) and as pure d-amphetamine (Dexedrine, Adderall XR). Doses below are for the racemic form; pure d-amphetamine is roughly 1.5–2× more potent per milligram.
Street speed is often heavily cut. Caffeine is the most common adulterant by far, followed by lactose, glucose and (in some markets) methamphetamine substituted for amphetamine. Visual appearance is not a reliable indicator of purity.
Harm reduction
- Test what you have. Marquis + Mandelin + Simon's together distinguish amphetamine from methamphetamine (Simon's reacts with secondary amines, so it's blue for meth and clear for amphetamine).
- Start low. Insufflated doses produce a sharper, more reinforcing effect than oral — and a steeper crash. If new to a batch, start with half what you think you'll need.
- Eat and hydrate. Speed will suppress your appetite for 12+ hours. Forcing a small meal and 500–750 ml of water per 4 hours significantly reduces the worst of the comedown.
- No alcohol while peaking. The combination puts substantial strain on the heart and masks the dose, leading to overuse.
- Sleep is the recovery. Plan no important commitments for 24 hours after the last dose. The "wired-and-tired" state is dangerous to drive in.
- Watch frequency. Multi-day binges are where amphetamine becomes meaningfully neurotoxic. A weekly limit, with most weeks at zero, is what most experienced users converge on.
- Pharmaceutical amphetamine prescribed for ADHD is a different risk profile when used as prescribed (steady, low oral doses). The risks above apply most strongly to recreational, especially insufflated, use.
Dosaggio.
Orale
- Soglia
- 5 mg
- Leggera
- 10–20 mg
- Comune
- 20–40 mg
- Forte
- 40–80 mg
- Pesante
- 80 mg
Sniffato
- Soglia
- 5 mg
- Leggera
- 10–20 mg
- Comune
- 20–40 mg
- Forte
- 40–70 mg
- Pesante
- 70 mg
| Via | Soglia | Leggera | Comune | Forte | Pesante |
|---|---|---|---|---|---|
| Orale | 5 mg | 10–20 mg | 20–40 mg | 40–80 mg | 80 mg |
| Sniffato | 5 mg | 10–20 mg | 20–40 mg | 40–70 mg | 70 mg |
Parti dal basso. Corpo, tolleranza e mix cambiano tutto.
Durata.
Orale
totale ~ 1290 min- Salita
- 30–90 min
- Picco
- 2–4h
- Discesa
- 2–4h
- Postumi
- 3–12h
Sniffato
totale ~ 855 min- Salita
- 5–15 min
- Picco
- 60–180 min
- Discesa
- 2–3h
- Postumi
- 2–8h
Effetti.
Positivi
- Stimulation and wakefulness
- Increased focus and motivation
- Confidence and talkativeness
- Suppressed appetite
- Euphoria (more pronounced via insufflation)
Neutri
- Pupil dilation
- Jaw clenching
- Increased body temperature
- Increased heart rate and blood pressure
Negativi
- Anxiety and racing thoughts (especially at higher doses)
- Insomnia for 6–12+ hours after the last dose
- Cardiovascular strain
- Severe comedown (flat mood, fatigue, irritability for 1–3 days)
- Strong dependence potential, especially via insufflation
Interazioni.
Attenzione
Tanti mix sono pericolosi anche a dosi basse. Nel dubbio, meno o niente. Verifica sempre con il controllo mix.
Pericolosa
Il mix può fare danni seri. Evita.
- maois
- tramadol
Rischiosa
Rischio importante. Mix sconsigliato.
- mdma
- cocaine
- alcohol
- stimulants
- ssris
Attenzione
Interazione leggera. Riduci le dosi.
- cannabis
- psychedelics
- ketamine
Test.
- ReagenteMarquisReazione attesaOrange to brown
- ReagenteMandelinReazione attesaGreen to dark green
- ReagenteMeckeReazione attesaNo significant reaction (negative)
- ReagenteSimonReazione attesaBlue (confirms primary amine, distinguishes from MDMA)
| Reagente | Reazione attesa |
|---|---|
| Marquis | Orange to brown |
| Mandelin | Green to dark green |
| Mecke | No significant reaction (negative) |
| Simon | Blue (confirms primary amine, distinguishes from MDMA) |
Verifica con un secondo reagente. I test spesso dicono cosa non è, non sempre cosa è.
Stato legale.
- DEGermaniaprescription-only
- ATAustriaprescription-only
- CHSvizzeraprescription-only
- NLPaesi Bassiillegal
- BEBelgioillegal
- LULussemburgoillegal
- FRFranciaprohibited
- ESSpagnaprohibited
- PTPortogallodecriminalised
- ITItaliaprescription-only
- PLPoloniaprescription-only
- CZCechiaillegal-tolerated
- SESveziaprescription-only
- DKDanimarcaprescription-only
- NONorvegiaprescription-only
- FIFinlandiaprescription-only
- IEIrlandaclass-b
- UKRegno Unitoclass-b
- USStati Unitischedule-2
- CACanadaschedule-1
- AUAustraliaschedule-8
- TRTurchiaprohibited
| Paese | Stato |
|---|---|
| DEGermania | prescription-only |
| ATAustria | prescription-only |
| CHSvizzera | prescription-only |
| NLPaesi Bassi | illegal |
| BEBelgio | illegal |
| LULussemburgo | illegal |
| FRFrancia | prohibited |
| ESSpagna | prohibited |
| PTPortogallo | decriminalised |
| ITItalia | prescription-only |
| PLPolonia | prescription-only |
| CZCechia | illegal-tolerated |
| SESvezia | prescription-only |
| DKDanimarca | prescription-only |
| NONorvegia | prescription-only |
| FIFinlandia | prescription-only |
| IEIrlanda | class-b |
| UKRegno Unito | class-b |
| USStati Uniti | schedule-2 |
| CACanada | schedule-1 |
| AUAustralia | schedule-8 |
| TRTurchia | prohibited |
Informazione, non consulenza legale. Lo status varia da regione a regione e cambia.
FAQ.
How long does Amphetamine last?
A typical oral Amphetamine experience peaks around 120–240 minutes and then tails off, with after-effects that can run several hours. The exact window depends on dose, body weight and what else you've eaten or taken.
Can you overdose on Amphetamine?
Yes. Higher doses sharply raise the risk of acute harm (cardiovascular strain, hyperthermia, serotonin issues for serotonergic drugs, respiratory depression for downers). Stick to the lowest dose that gives you the effect you're after, never re-dose blindly, and use our [dose calculator](/tools/dosage-calculator) before you weigh anything out.
Is Amphetamine addictive?
Amphetamine can produce psychological dependence with frequent use, especially in unstable settings or when used to self-medicate. Physical dependence varies by substance class; the safest pattern is occasional use with long breaks (often 4–6 weeks minimum) and an honest read on why you're reaching for it.
What does Amphetamine feel like?
Common subjective effects include the ones listed in the Effects section above. Set and setting massively shape the experience: a calm space, trusted people, food eaten, sleep the night before, and your own current mood all matter more than most people expect.
Can you mix Amphetamine with alcohol?
Mixing with alcohol is rarely a good idea — it dulls your judgement of how much you've taken, dehydrates you, and stacks cardiovascular load. If alcohol is on the table, drink less than normal, alternate with water, and run the combination through our [interaction checker](/tools/interaction-checker) first.
How do I test Amphetamine at home?
A basic reagent kit (Marquis + Mandelin + Mecke for most stimulants/entactogens; Ehrlich for tryptamines) gives you a fast presence check. It does NOT measure dose or purity, but it does rule out the most dangerous misrepresentations. See the [reagent guide](/tools/reagent-guide) for expected colors per reagent.
How much Amphetamine is too much?
There's no single number that applies to everyone. As a rule, anything above the 'strong' dose range (40-80 mg for the primary route) carries sharply higher risk of acute harm. Start low, don't redose blindly, and remember that purity varies batch to batch.
How long until Amphetamine kicks in?
Onset is typically 30-90 minutes via the primary route. Don't redose because you 'don't feel anything yet.' Many people have overdone it by stacking doses during the come-up window.
Can you build tolerance to Amphetamine?
Yes. Regular use builds tolerance, meaning you need more for the same effect. This escalation increases both health risk and dependence potential. The best counter is long breaks between sessions (2-4 weeks minimum for most substances, 3 months for MDMA-class drugs).
Is Amphetamine tested for in standard drug screens?
Yes. Amphetamine is typically detected under the amphetamines category in standard SAMHSA-5 panels. Urine detection window is roughly 2-4 days. See our [detection guide](/news/how-long-does-amphetamine-stay-in-your-system) for full details.