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How Long Does Kratom Stay In Your System? Drug Tests & Detox

While Kratom has wide attention in western countries, it also has an extensive history of use in countries where the kratom tree (mitragyna speciosa) grows, including Malaysia and Indonesia. It is currently legal in the United States and has been used for centuries by some communities for socio-religious ceremonies.

The major active ingredient in Kratom is Mitragynine, which affects the CNS in a similar way as caffeine when used in small doses. Taking larger amounts, however, results in effects that can last in your system for several hours. Depending on multiple factors, it takes a maximum of 5–6 days to totally eliminate Kratom from your system..

In this article, we are going to discuss factors that determine how long Kratom will remain in your system, how it’s metabolized, whether Kratom shows up on different drug tests, and how to flush Kratom out of your system faster.

How Long Does It Take for Kratom to Take Effect?

Kratom is not a formal medicinal medicine and does not have any particular guidelines of use. Research has shown the half-life of this substance lasts about 24 hours in most people. Half of the life of a drug is the actual time it takes an individual’s metabolism, particularly the liver, to breakdown and reduce it by half of its concentration in the body.

Scientists claim it takes 5-6 days to flush kratom out of your system completely. However, this is a general figure, and how fast or slow the drug is cleared out of the body will depend on many other factors.

kratom plant

Therefore, it would be factual to conclude that it will take about 5-6 days to clear Kratom out of your body. Detecting kratom in your body system greatly depends on several factors.

Some scientists suggest a drug will only remain in the body for two to five days. People who have used drugs for long will, of course, have longer windows of detectability. Therefore, what are these factors that will determine how long Kratom will remain in your system?

Half-Life Influencing Factors

Like most substances, whether medicinal or those used to stimulate the body, many factors influence the length of the effect and how they affect your body. Here are factors that determine how long Kratom stays in your body.


It has been scientifically proven the older you are when using Kratom, the longer it will remain in your system. Just like with other orally-ingested substances, age-related factors such as physical changes, renal function, and the use of other medications greatly influence how long Kratom remains in your system. This escalates if you are over the age of 65 years.

Genetic Factors

Every individual has enzymes and genetic makers that alter different functions in the body. In this case, certain enzymes will adjust the speed at which Kratom is removed in the body. This is something that you cannot control and is, therefore, left up to your genetic markers.

Body Fat

Whether slim or overweight, nobody lacks fat on their body. Mitragynine is highly soluble in fat, this means the more body fat you have, the longer it will take to clear Kratom off your system. Similarly, people who have less body fat will retain kratom alkaloids for a lesser time in the body.


For the body to absorb Mitragynine faster, the body will require an intake of fatty foods. This increases the rate at which it reaches its optimum level of concentration. If you don’t eat a lot of fatty meals, the possibility of quickly clearing Kratom from the body is high. Note that if you are hydrated, you will detox kratom from your body faster.

Other factors

Many other factors can influence how fast or slow Kratom will be released from your body. These include the PH level of your urine as well as the metabolic rate. The time length will also be influenced by the type of Kratom used because different strains have varying properties.

Time length can also be affected by the variety of the kratom plant used; more specifically, the leaves that are harvested. Research has shown that some kratom leaves do not have a trace of mitragynine, especially those grown in Southeast Asia and in greenhouses.

How Is Kratom Metabolized?

Scientists believe that Kratom is metabolized in the liver. The body eliminates a small portion of this compound during urination. However, this amount of kratom might be so small that it’s safe to say the liver metabolizes all of it.

Kratom Half-Life

In a research conducted in patients who had abused Kratom for about one and a half years, they were then given controlled kratom tea for seven days. The results showed the average kratom life was about 24 hours. This means if one took four grams of Kratom, after 24 hours there would still be another two grams of Kratom left in their body. After another 24 hours, the person would have one gram of Kratom remaining in the body.

If one has not used Kratom for extended periods, their metabolism rate can be shorter. Certainly, the original kratom compound mitragynine can vary from one individual to another, mainly depending on how long the person has used Kratom. This window of elimination can be reduced to 3-5 hours.

Will Kratom Show Up In A Drug Test?

It’s surprising how most people decide to use Kratom because they believe it won’t show up in a drug test. However, kratom testing is not a part of the drug testing regulations, but it might be visible in some tests such as urine and blood tests.

How Long Will Kratom Stay In Your Saliva?

While saliva is highly used to test other types of drugs, it’s not used to test for Kratom and its metabolites.

How Long Does Kratom Stay In Your Blood?

It is possible to use a blood test to tell whether someone has used Kratom and how much they have taken. If someone has been using Kratom for an extended period, the possibility of detecting metabolites is high. Your results might read positive if you ingest Kratom a few days or hours before the test

How Long Does Kratom Stay In Your Urine?

Some kratom alkaloids present themselves in urine tests. Research has showed this method is inconsistent, but the possibility of alkaloid traces in urine is still high. If you use Kratom in small amounts, you must have used Kratom in the last 5 days for traces to appear

kratom urine drug test

How Long Does Kratom Stay In The Hair?

Hair follicles can clearly show whether someone has used Kratom or not, and detects more prolonged use of the substance when compared to other methods. Hair follicles can show up to 90 days of substance use. However, there are currently no hair tests for Kratom. More research is still being done in regards to this.

How to Flush Kratom Out of Your System Faster

There are many ways through you can help facilitate faster removal of Kratom in your body. Ensure that you hydrate your body from time to time by drinking a lot of water to increase your urinary output. Also, eating a heavy meal will help improve your digestive system, which helps the body recover from kratom impacts.

Another method includes using charcoal. Charcoal works by binding the kratom alkaloids inside the liver and reduces the effects of this drug. It is therefore believed to help remove Kratom out of your system faster.

Long-term effects of Using Kratom

Users of Kratom have reported having significant weight loss and loss of appetite. Some have also reported having anorexia, an eating condition that restricts your body from intaking calories, which in return results in dangerous weight loss. Other effects include insomnia and hyper-pigmentation of the cheeks. These long term effects have, however, not been fully understood or scientifically proven

Effect on the Kidneys

Long term effects of kratom use could lead to possible kidney failure. This is especially the case if you are a heavy user of Kratom. This also happens to people who have built up a tolerance and an addiction.

Effect on the Liver

Every case of kratom-usage is unique. However, according to the National Institutes of Health (NIH), there are claims that your liver may become heavily taxed, causing damage within a short time of Kratom’s low-dose use.

In other cases, the use of Kratom alongside other substances has proven to be overwhelming to your liver. On the same note, past drug abuse might have already impaired the proper function of your liver, therefore, making it more vulnerable to kratom use.