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MDMA dosage 2026: safe ranges by route and weight.

MDMA has 1 documented route 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.

Doustnie
Próg
30 mg
Lekka
40–75 mg
Typowa
75–125 mg
Silna
125–175 mg
Ciężka
175 mg

Zaczynaj od dołu. Ciało, tolerancja i miksy zmieniają wszystko.

Duration timeline.

Doustnie

łącznie ~ 1840 min
Wejście: 20–70 minSzczyt: 1.5–2.5hZejście: 1.5–3hDojazd: 3–24h
Wejście
20–70 min
Szczyt
1.5–2.5h
Zejście
1.5–3h
Dojazd
3–24h

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 MDMA 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 MDMA 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 MDMA?
Exceeding the "heavy" range significantly increases risk of adverse effects, medical emergency, or overdose. Harm reduction starts with knowing the ranges.
How long does MDMA last?
Duration varies by route. The timeline section below shows onset, peak, offset and after-effects for each route.
Can I mix MDMA with other substances?
Many combinations are dangerous. Check the interaction checker tool before combining anything. Never combine on a first experience.
Is MDMA 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 MDMA 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.