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How Long Does CBD Stay In Your System?

Published: 28-09-2021

If you are asking yourself how long does CBD lasts, we may just have the answer for you. Also known as cannabidiol, CBD has a varying lasting period in your body. This is because several factors affect its longevity and effects on the body.

This guide below answers the question of how long does CBD stays in your system. However, it takes a more in-depth approach – breaking down this question by looking at different factors such as the method of administration, diet, and other related factors.

How Long Does CBD Last?

Generally, CBD actively stays in your system for about 2 to 5 days although, for some people, CBD can stay for as long as weeks.  Nonetheless, the effects of CBD last in the body anywhere from 2 to 6 hours.

However, this range still varies for different individuals due to several factors. The most prominent factors to think of are how much of the CBD you take, how you take it, and your body’s chemical makeup.

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Factors That Influence The Longevity Of CBD In Your System

As mentioned above, several factors affect how long CBD lasts in your body. These include;

How Much You Use It

The frequencies at which you take CBD and the dosage significantly affect how long it stays in your body. The higher the dose you take, the longer it stays in your body. Similarly, the more frequently you take CBD, the longer it will stay in your body.

As you continue to take CBD, it ultimately builds up in your body over time. This is why it is recommended to only use it at least once a week. If used occasionally, CBD quickly clears off of your system.

Chemical Make Up

Everyone’s body has a unique chemical makeup. This means that every person processes things in their body differently. Therefore, even CBD affects people differently. Commonly, factors such as water content, metabolic performance body mass index determine how chemicals interact in your body. This, in turn, can affect things such as the longevity of CDB in your system.


Diet is also a significant factor worth considering. The food you eat, how much you eat, how often you eat, and when you eat affect how CBD interacts with your body. If CBD enters your system to an empty stomach, it is metabolized faster and eliminated faster. In a full stomach, it is eliminated slower as digestion is slower.

Method of Administering

If you are asking yourself how long does CBD oil take to work or edibles last, you ate on the right track. The method you use to administer CBD does indeed affect how the onset of effects and its longevity in your system. Generally, people take CBD in five key methods.

These include edibles, pills, and capsules, oils and tinctures, creams and lotions, as well as vaping. Vaping is the fastest way to experience the effects of CBD as it enters the body straight to the lungs. However, it also leaves the body faster.

Oils and tinctures on the other hand linger longer, when placed under the tongue, they are also absorbed into the bloodstream pretty quickly. Edibles, creams, and lotions metabolize longer, thus, it takes quite some time before you start to feel their effects in the body. However, they also take quite a long for their effects to disappear and for them to get out of your system.

How Does It Take For CBD Effects To Kick In?

Again, the effects of CBD depend on various factors to kick in – similar to the ones above. Most importantly, the dosage, method of administration, and body composition play the biggest role in determining when the effects kick in.

As mentioned above, vaping offers the fastest way to experience the effects, you will begin to feel the effects of CBD within 15 minutes of vaping. Methods such as edibles, creams, and other topical products, on the other hand, take longer – typically about 2 hours or so.

How Does CBD Last In Different Tests?

The longevity of CBD can be tested in different ways, whether you want to detect it in blood or hair. Generally, CBD on its own will not show up in drug tests. However, CBD products contain THC (the active component detected in tests) at a small amount. The THC is what will be detected in tests. In marijuana, THC is what is responsible for providing the high effect.

However, in legal CBD products, THC is in extremely small trace amounts.  Before we outline how to check for CBD in your system, it is worth understanding the different spectrums of THC in the body.  There are three main types of CBD product compositions, i.e. full, broad-spectrum, and CBD isolates.

Full-spectrum CBD extracts contain naturally occurring compounds from plants they are extracted from – including THC.  Broad-spectrum CBD is almost similar to full-spectrum CBD. However, these types of CBD products go through a CBD-eliminating process. CBD isolate products only contain CBD without any traces of THC.

As mentioned above, THC is the active ingredient in marijuana, thus, in high amounts, it is federally illegal. However, you can still opt for safer THC. If you opt for full-spectrum CBD which obviously contains THC, opt for hemp-derived CBD rather than marijuana-derived CBD. Hemp-derived CBD typically contains less than 0.35 THC.

Below, we’ve outlined how long it stays in these varying tools.

Lab Tests

The effects of CBD may wear off your body. However, this doesn’t necessarily mean that it has completely left your system. It takes longer for CBD to be completely flushed out of your body compared to the effects simply disappearing. Thus, it may be detected in blood tests during this time. Typically, the half-life of CBD is anywhere between 18 and 32 hours.

Yet, during this time, it may still be detected in lab tests. However, you must keep in mind that lab tests check for THC (the active component in marijuana) rather than CBD. Whilst CBD is legal, THC is illegal at the federal level (although it has been legalized in several states).


Urine tests are the most popular and common method for drug screening. Urine tests typically check for THC. Similar to some drugs, these components may not show up in a test after some time. It takes anywhere between three days to two weeks after taking the CBD for it to not show up on urine tests.

Again, the detectability of CBD depends on factors such as the method of administration and dosage. According to researchers from Mayo Clinic, CBD can be detected in urine tests as long as 15 days after administration amongst regular users.


Some authorities choose to opt for a hair follicle test. This test is particularly useful if you want to figure out if a person had been using drugs for an extended period. Hair follicle tests can detect THC in CBD products as long as three months after administration. But, unlike other drugs, hair follicle tests are less common on components such as THC and CBD.


Blood tests can also be used to screen THC and CBD. However, blood tests are not the most reliable tests as THC metabolites are quickly eliminated from the bloodstream. Typically, THC and CBD metabolites last in plasma for about 5 hours.


CBD and THC can also be detected in saliva. However, this test is extremely rare. THC and CBD can be detected on saliva anywhere between minutes of ingestion to about 36 hours after ingestion. Again, longevity depends on the frequency and dosage. If consumed in high dosage, it is easily detected.

Can I Breastfeed After CBD Has Left My System?

If you are breastfeeding, you should stay away from CBD products, period! If you plan on breastfeeding in the near future, you should stop using CBD products at least 4 weeks before breastfeeding.

Whilst there isn’t much research on the effects of CBD to breastfeed babies, it is recommended to stay away from it. At least until proper research has been conducted! After all, CBD may contain active ingredients such as THC that pose risks to babies.

How Long Does CBD Stay In Your System – Final Verdict

Generally, you can only get an estimate on the longevity of CBD in your system. Nonetheless, there isn’t an easy way to determine exactly how long CDB stays in your system. After all, different factors determine how long it stays in your body and even how it interacts with it.

If you are wondering if CBD is illegal, the answer is yes and no. Hemp-derived CBD products with less than 0.3% THC are legal at the federal level. However, they may still be illegal in some states. Marijuana-derived CBD products are illegal at the federal level. However, they are legal in some states.

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