How Long Does DMT Last (And Why)?

Exact Answer: 1 To 2 Hours

DMT, or also known as N, N-DMT is both a derivative and a structural analog of tryptamine. It is produced in many plant species like Mimosa tenuiflora, Diplopterys cabrerana, and Psychotria Viridis in conjunction with other close chemical relatives like bufotenin. 

How Long Does DMT Last?

The major factor among all the factors is the way DMT is consumed. As, DMT reacts differently according to the body parts it interacts with, thus, as a result, the reaction time is also different. With a difference in reaction time, the time duration for how long DMT stays in your body also varies.

When consumed orally, or to be more specific, when consumed through drinks, the psychedelic effects can be seen after 1 or 2 hours. Moreover, the time it stays in your body is about 4 to 5 hours.

Another way of consuming DMT is through smoking or vaping. If consumed this way, DMT can start showing its effects within 45 seconds to a minute only. Moreover, the DMT reaches the peak point after 30 to 40 minutes. Moreover, DMT can stay in your body for 1 to 2 hours.

DMT can also be consumed by intravenous infections. These are the injections, through which chemicals can be injected directly into the main or passive bloodstream. This method is also widely used for intravenous drug abuse. When consumed this way, DMT can start showing its effects within 30 minutes and can last long for up to 3 to 4 hours in the system.

Intramuscular injections are another method for the consumption of DMT. In this method, injections are used to inject chemicals directly into muscle tissues. Through this method, the effects of DMT can be seen after one or one and a half hours. Moreover, the DMT can stay inside the system for as long as 4 to 5 hours.

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Here is a quick summary of how long does DMT last in the body depending upon the method of consumption:

Method Of ConsumptionTime
Oral consumption4 to 5 hours
Smoking1 to 2 hours
Intravenous injection3 to 4 hours
Intramuscular injection4 to 5 hours

Why Does DMT Last That Long?

DMT generally stays in the human body for about 1 to 2 hours. However, the time can go more than that, or even less than that. The time duration for how long DMT stays in your body depends on many factors. Some of the major factors are the way one consumes it, the amount of DMT consumption, and the body’s composition.

The reason why it takes generally longer for DMT to react in and show its effects when consumed orally is that through this method, the DMT does not reach blood or muscle cells, but it reaches the digestive system. Thus, the DMT molecules have to first go through the complete digestive system to later reach the blood and then start showing their effects. As a result, the time duration for how long DMT stays in your body also increases.

Moreover, when DMT is consumed through smoking or vaping, it reaches the respiratory tract of the body and then ultimately into the respiratory system. Moreover, the DMT molecules have to go through the respiratory system completely to reach the blood. However, this process takes less time as compared to passing the digestive system. Thus, the time duration for how long DMT stays in your body is comparatively less in the case of smoking than consuming orally.

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Talking about the fastest way, that is, intravenous drug injection to consume DMT. It is so because DMT can only its effects only when present in blood because DMT reacts with some of the chemicals present in the blood to get active. In this case, DMT is injected directly into the main bloodstream making DMT take the least time to get activated and start showing effects.


During the mid-1950s, a Hungarian chemist and psychologist Stephen Szára was the first person along with the volunteers who researched the psychotropic effects of DMT. It is a hallucinogenic drug that can cause psychedelic effects like depersonalization, euphoria, hallucinations, paranoia, and many more effects.

Moreover, DMT can cause many health effects as well like, rapid or irregular heart rate, increased blood pressure, fast breathing, nausea, chest pain, stomach, and diarrhea.


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