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July 12, 2021
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7
 min read

How long does CBD oil stay in your system and does it show during a drug test?

how long does cbd oil stay in your system
 Anthony Clement
Written by  
Anthony Clement
on 
July 12, 2021

table of Contents

There are a lot of different factors that might impact how long does CBD stays in your system. As you can presume, things such as CBD dosage and type of the product are very important, but you also have to include personal factors such as body weight.

Although most companies don't necessarily test for CBD, this might indicate that you've been using marijuana. But, let's start from the top. In this article, we will talk about CBD concentration within the bloodstream and how it might affect you.

How does CBD affect the human body? 

CBD or cannabidiol is extracted from the hemp plant. When we say that something is a cannabidiol product, we usually refer to hemp derived CBD substances. You can also get this chemical compound from marijuana and some other plants, but it is more efficient to get it from hemp. Aside from cannabidiol, this plant has more than 100 other active ingredients.

The main reason why you should use this wellness substance is because of its potential impact on the endocannabinoid system. This system was relatively recently discovered in 1990, and based on limited data; it is believed it can have a major impact on human health. Scientists think that it can regulate functions like sleep, appetite, mood, regeneration, stress, etc. By stimulating cannabinoid receptors, CBD and other cannabinoids might affect the work of the endocannabinoid system, thus regulating before mentioned processes.

Although cannabis companies usually place emphasis on CBD, as the most common and most potent medical substance found in hemp and marijuana, we cannot neglect other chemical compounds such as THC. In fact, there are a few studies that show THC is every bit as important for this process as cannabidiol. Based on limited data, it is thought that this substance may help CBD bind to receptors. Furthermore, it is believed that CBD, by itself, might work as an antagonist preventing the whole binding process. Because of that, it might be important for CBD products to have at least trace amounts of THC.

And this is where the first problem occurs. The very presence of THC within CBD products can cause issues during tests. Even small quantities of THC can indicate that you've been using marijuana and not medicinal hemp oil. The same goes for the presence of CBD; it might be a sign that you're using recreational cannabis.

How long for CBD products to kick in, and how long will they work?

Depending on the administration method, some of these products may provide instantaneous relief, while others might take their time to start working.

CBD tinctures are the most common item from this category. They can be used both sublingually and topically. In both cases, they should start working relatively quickly, achieving their maximum potential after 2 minutes. The CBD effect will slowly diminish over time, completely disappearing after 10 to 15 minutes.

The same can be said for CBD vapes. Inhaled CBD products are a bit different from swallowed CBD substances, but they work your body in a similar way. Like oil, you should feel the improvement relatively quickly. After 15 minutes, the benefits will subside.

Lastly, we have CBD edibles. This product category includes anything that is swallowed (not to be confused with sublingual administration). The most common items are CBD capsules and CBD gummies. Oral CBD administration is a bit different as these substances will go through the digestive tract. Because of that, it will take much more time for the body to process them. Some people will feel benefits after 30 minutes, but in some cases, it might take up to 2 hours to feel an improvement. However, edibles can last for quite a while; there were reports of people feeling the benefits after 6 hours.

How long will cannabidiol stay in the body?

Although hemp products don’t provide long lasting benefits, they will stick in your body for some time. It may take from 2 to 5 days for your organism to completely flush CBD out. In some rare cases, it might even take several weeks. Needless to say, this can pose issues to CBD users who are regularly tested for the substance.

This duration can be affected by numerous things:

Frequency of use and dosage

Like with other similar substances, the concentration of CBD in blood will depend on the dosage. A higher quantity of the substance will make it harder to flush out from the body. The problem increases if you use the substance on a constant basis. If this is the case, not only will it be harder for the body to remove it, but you will likely develop tolerance over time which would prompt you to use even more of this chemical compound.

Bodily factors

Here, we mainly refer to body weight. If two people of different weights use the same quantity of substance, the person with more weight is going to flush it easier. Metabolism is also important as it directly influences the speed at which your organism works. Other minor factors are water content and physical shape. 

Administration process

The administration method is very important. First of all, certain hemp oil products will not even reach your bloodstream, such as CBD topicals. If a substance provides a quick impact but also stops providing benefits relatively fast, it will make it easier for removal. Edibles will stick for a while providing benefits for a couple of hours. Unfortunately, this also makes them harder to eliminate prior to a drug test.

Diet and digestion

Using these products on an empty stomach will boost digestion processes, which will also lead to faster elimination of the substance from your body. Besides that, your regular diet may provide a boost in helping you remove CBD.

How long does CBD stay during a drug test?

CBD’s half life is between 18 and 32 hours. Most companies will not necessarily test for cannabidiol. However, if you did use a cannabidiol substance, you might test positive because of the presence of THC.

Always remember that certain products don't have this psychoactive substance. For example, it will be present in full spectrum CBD oil but not in CBD isolate or broad spectrum CBD tinctures. Here is how CBD may show during different types of drug tests:

During urine test

Urine drug tests are the most common procedure that companies use. The main issue with this method is that the detection window for THC can vary drastically. Oftentimes, the results will depend on the dosage and frequency. In most cases, THC will show if you took it 3 days or 2 weeks before the test.

During blood test

Blood tests are usually the second most popular option among employers, and it is also great for detecting CBD, THC metabolites, and various cannabinoids. A lot of companies prefer using urine tests because a blood test is unreliable when it comes to detecting THC. This substance will remain in the blood for just several hours. However, this test provides much more accurate results when it comes to cannabidiol. It can detect it 2 weeks after you’ve used the substance.

During hair test

Hair tests are more expensive but more reliable. They can provide much more precise results than the previous two tests and can detect cannabinoids for a longer period of time. You could test positive during a hair test if you used CBD in the last 3 months.

During saliva test

This is the rarest of all the tests on the list. Unfortunately, it often poses legal issues for employers, which is why it is almost never utilized. CBD can show up during this test if you used it in the last 36 hours.

Zou, S., Kumar, U., (2018), Cannabinoid Receptors and the Endocannabinoid System: Signaling and Function in the Central Nervous System, International Journal of Molecular Science, Vancouver, British Columbia, Canada

Online: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5877694/ 

Russo, E., (2011), Taming THC: potential cannabis synergy and phytocannabinoid-terpenoid entourage effects, British Journal of Pharmacology, Salisbury, Wiltshire, United Kingdom

Online: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3165946/

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