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How Long Does THC-H Stay In Your System

Did you know THC-H is quickly becoming known for its profound high?  It’s not too surprising then, that a good amount of people are seeking it out, in order to explore it for themselves.  Still, there are those who do have reasons for wanting to know how long THC-H compound can last in their body for, especially if they’re someone who gets drug-tested, or is on a specific medication. 

As is the case with all cannabinoids, however, it’s hard to know exactly how long it can take for THC-H to fully leave the body, which can make things complicated. At the end of the day, as you will soon find out, there are an array of individual aspects to a person’s usage that influence how quickly THC-H products metabolizes. 

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How Long Do the Effects of THC-H Typically Last in Our System for?

Besides the importance of understanding how long it can take before THC-H fully clears from the body, it’s nice to have an idea as to how long the actual effects of this compound can be felt after administration.  Just be aware that long after the high wears off, THC-H  is still in the body and can be detected through different testing methods.

Tetrahydrocannabihexol (THC-H) is a powerfully psychoactive cannabinoid (second most intoxicating compound in hemp, after THC-P (tetrahydrocannabiphorol).  THC-H is also known for its very strong euphoric effects, which are the main part of its appeal.

So, how long does the high of tetrdahydrocannabihexol last for?  Well, that depends on product type being taken.

  • Inhalable Products (Vapes, Dabs, Flower): If you’re inhaling THC-H through a product like a vape cartridge, disposable vape pen, concentrate, or flower, expect a high that lasts for about 1-2 hours, because of the fast absorption rate of this delivery method.
  • Ingestible Products (Edibles, Capsules): If you’re ingesting THC-H in the form of a gummy, capsule, or even a beverage, you’re going to feel the effects for somewhere around 8 hours since this product type absorbs at the slowest rate.
  • Sublingual Products (Tinctures): Products that absorb sublingually like tinctures absorb at a rate between the two above delivery methods, meaning that the high can last for about 4-6 hours.

Is There a Duration of Time When THC-H is Supposed to Leave Our System?

We said earlier that Tetrahydrocannabihexol (THC-H) will remain in the body after the high has worn off, but how long it remains can be anywhere from 2-30 days depending on one’s metabolism as well as when they last took THC-H, along with other factors.  While THC-H is still metabolizing in the body, you won’t be able to feel it in the system, and so you won’t know when it has cleared from the body unless you take a drug test.

  • About 30 minutes after the high of THC-H does kick in, half of the cannabinoid, give or take, will have metabolized.  
  • Another half hour later, an additional 25% will metabolize.  
  • This leaves you with about 25% THC-H remaining in the body, which metabolizes at a sluggish rate since the process will have slowed down.

THCH for Drug-Testing Purposes 

If you’re drug-tested, you may fail a test after taking tetrahydrocannabihexol while the cannabinoid is still metabolizing.  Because THC-H is metabolized by THC-COOH, the enzyme that breaks down all THC-based compounds, your risk of failing a test is actually surprisingly high depending on the type of test that is administered.


Method #1: Urine Tests: A urine-based test looks for THC-COOH in a person’s urine, which can be present for a couple of days, up to several weeks after the last time it was consumed, all based on how much remains in the body.  These tests are very reliable, and the most common form of testing, especially among employers.

Method #2: Saliva Tests: Saliva-based tests look for THC in a person’s saliva up to 10 hours after it was consumed, and are usually administered by law enforcement officials, especially in suspected DWI cases.

Method #3: Blood Tests: Blood tests only determine if a person is presently high on THC and are most commonly administered in hospitals.

Method #4: Hair Tests: A hair strand test looks for THC usage about 90 days or more following the last dosage, and because they cannot show recent use, they’re mainly used for autopsy reports.

Method #5: Perspiration Tests: A perspiration test is expensive and invasive, and so it’s usually only used in clinical settings.  It involves applying a patch to a person’s skin for two weeks, since the body can release THC-COOH through sweating. 

What Actually Plays a Role in How Long THC-H Could Normally Last in the Body For? 

How long tetrahydrocannabihexol (THC-H) will remain in the body will vary from person to person depending on all kinds of individual variables, such as the ones below.

#1: Frequency of Use of THCH

How often you’re taking THC-H product matters a lot, because if you’re taking it, say, twice a day rather than once a week, you’re allowing the cannabinoid to accumulate while the metabolization process can’t go any faster.  This creates a traffic jam effect, where your body is holding onto more THC-H than can clear from the body.

#2: Delivery Method of THC-H

The delivery method likely has an effect as well, with ingestible THCH products taking the longest to metabolize, followed by sublingual products and then inhalable products.  This has to do with the way in which each product absorbs, which we talked about earlier.

#3: THC-H Product Strength 

The strength of the product will make a difference as well.  A higher-strength THC-H product is going to need more time to metabolize since the more milligrams you consume, the longer it will take for the body to fully clear it out of the system.

#4: Your Metabolism

You may just have a uniquely slow or fast metabolism depending on things like your body weight, physical health, diet and genetics.  This can impact how quickly it takes for you to metabolize THC-H.

#5: When You Last Took THC-H

When you last took a dose of THC-H matters since having taken it in the last couple days means it will definitely remain in your system, while having not taken it for over a month means you’re extremely likely to have no THC-H left in the body.

#6: THCH Product Quality

A lower-quality THC-H product made using poor extraction methods or stored improperly can be so chemically unstable that the cannabinoid never even becomes effective, instead metabolizing as soon as it’s absorbed, which would speed up the process.

How Long After Using THC-H it Safe to Take Any Type of Medication (Prescription or Non-Prescription)?

If you’re on a medication, be fully aware that tetrahydrocannabihexol may suppress the CYP3A4 enzyme that breaks down many common.  This enzyme is the one that prevents medications from accumulating in the body at toxic levels.  Also, because no studies have been done on tetrahydrocannabihexol and medication interactions, we cannot say how long it takes until it’s safe to take a medication dosage.  

The Bottom Line: It All Depends 

Tetrahydrocannabihexol is yet another psychoactive cannabinoid boasting a phenomenally potent high, so it’s not surprising that it’s quickly become a highly sought-after derivative of hemp.  But, like all cannabinoids, again, THC-H can linger in the body for a surprisingly long time after its high has worn off. 

To be extra careful, it might be better if you don’t take the cannabinoid (by itself or in exceeding high amounts when in other products), if you have an upcoming test.  Also, if you’are taking meds, speak with your doctor initially about the possibility of an interaction.

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