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Amphetamine dosage 2026: safe ranges by route and weight.

Amphetamine has 2 documented routes of administration. The most common is oral. Always start at the lowest dose range and wait the full onset window before redosing.

Dose ranges by route.

Ağızdan
Eşik
5 mg
Hafif
10–20 mg
Olağan
20–40 mg
Güçlü
40–80 mg
Ağır
80 mg
Burundan çekilen
Eşik
5 mg
Hafif
10–20 mg
Olağan
20–40 mg
Güçlü
40–70 mg
Ağır
70 mg

Alttan başla. Vücut, tolerans ve karışımlar her şeyi değiştirir.

Duration timeline.

Ağızdan

toplam ~ 1290 min
Başlangıç: 30–90 minZirve: 2–4hİniş: 2–4hSonrası: 3–12h
Başlangıç
30–90 min
Zirve
2–4h
İniş
2–4h
Sonrası
3–12h

Burundan çekilen

toplam ~ 855 min
Başlangıç: 5–15 minZirve: 60–180 minİniş: 2–3hSonrası: 2–8h
Başlangıç
5–15 min
Zirve
60–180 min
İniş
2–3h
Sonrası
2–8h

Bodyweight quick formula

For a 70 kg adult, divide the total mg dose by 70 to get your mg/kg ratio. Most published ranges assume this reference weight. If you weigh significantly less, reduce proportionally; significantly more does not always mean linearly higher doses.

Related pages


FAQ.

What is a safe Amphetamine dose?
A "safe" dose depends on body weight, tolerance, set and setting. Start at the threshold or light range for your chosen route and do not redose until onset is complete.
How do I calculate Amphetamine dose by weight?
For substances where bodyweight matters: divide the mg amount by your weight in kg to get the mg/kg ratio. Most common dose data assumes a 70–80 kg adult.
What happens if I take too much Amphetamine?
Exceeding the "heavy" range significantly increases risk of adverse effects, medical emergency, or overdose. Harm reduction starts with knowing the ranges.
How long does Amphetamine last?
Duration varies by route. The timeline section below shows onset, peak, offset and after-effects for each route.
Can I mix Amphetamine with other substances?
Many combinations are dangerous. Check the interaction checker tool before combining anything. Never combine on a first experience.
Is Amphetamine dosage the same for all routes?
No. Bioavailability differs significantly by route — intranasal and IV routes typically require lower doses than oral for equivalent effect.
Should I weigh my Amphetamine dose?
Always. A milligram scale (0.001g precision) is essential for most substances. Volumetric dosing with a solvent is the gold standard for sub-10mg doses.