Does Kratom Show Up on a Drug Test


Known for its energy boosting effects, opioid withdrawal support and natural painkilling effects, Kratom is becoming popular in the herbal treatment world. In the US and Canada, Kratom is not classed an illegal substance, however it is not legal for human consumption

The effects of Kratom have a similar effect to when opioids are consumed. Users feel euphoria, increased concentration and higher energy levels. Kratom can also be used to enhance sexual performance, leading to many users wondering if Kratom shows up on a drug test just like other stimulants. 

Does Kratom show up on a drug test?

Most drug tests, such as those that are used in the workplace, are commonly based around the urine drug test, known as UDS. This can detect a range of illegal drugs such as marijuana, methamphetamines and opioids. 

The good news is that Kratom doesn’t actually show up on most standard drug tests, such as the SAMHSA-5. Standard urine tests are unable to detect any trace of mitragynine, so users can take Kratom in peace without the paranoia of an unexpected random drug test being done. 

This is partly due to the fact that Kratom is not classed as a drug, it is considered a herb, and classed as a stimulant. A large number of the population isn’t even aware of Kratom being available to purchase, let alone being consumed, so it hasn’t been factored into most drug tests as of yet. 

What about a false positive? 

The chances of a false positive occuring are generally reserved for users who have other substances in their system. If the only substance a user has taken is Kratom, then the test should not come up as a false positive. If for whatever reason it does come back as false positive, it could be down to poor test reliability, in which case the user should request another type of test to have a more accurate result.[2]

How is Kratom metabolized? 

Kratom has two main active alkaloids – mitragynine and 7-hydroxymitragynine, and these are the chemicals that activate opioid receptors. One they are activated, effects similar to opiates take place. 

It’s through the gastrointestinal tract that mitragynine is absorbed, and it reaches its peak plasma concentration in roughly an hour. It is then metabolized in the liver, and the chemical breaks down into byproducts called metabolites. 

The effects can be felt roughly 10 minutes after consumption, with some effects lasting two hours and others as long as eight. This depends on the form of consumption, the dosage, and what type of Kratom has been consumed.[1]

How long can Kratom be detected in the system? 

If tested using specific tests, not the average drug test, some traces of metabolites may be identified. Some data suggests that the half life of Kratom is 24 hours, meaning that 50% of the substance is used up within a day.[3]

Urine drug test

If the user has taken a high dose, it can take up to a week for mitragynine to completely flush out of the system. The chances of having urine tested specifically for mitragynine are very low, and standard urine tests won’t pick up on the alkaloids. 

Blood test

Mitragynine, alongside its metabolites, may be detectable in blood during the first day (24 hours) of ingestion. If the user consumes Kratom frequently, it is likely to remain in their system for even longer. Tests may be performed on blood samples for overdose cases, but rarely for a standard drug screening.

What influences how long Kratom stays in the body?

There are a number of influencing factors that can determine how long Kratom remains in the body:

The types of leaves 

There are three main strains of Kratom, and each come with their own effects. The potency levels vary with each. 

Form of administration and dosage 

Depending on Kratom being consumed by taking capsules, drinking in tea, or directly swallowing powder, the longevity in the system can differ accordingly. 

Lifestyle – diet, weight and age

Depending on how much water is consumed, the body may rapidly flush out traces of mitragynine, and the type of food (or lack of) can determine how long the substance might last after being ingested. Older users in general have slower metabolism, so it may take longer for them to process the drug. 

In conclusion, users who take Kratom needn’t worry for now about general drug tests, however with Kratom on the FDA radar, this might change in the future. 






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