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Does CBD Show Up in Drug Tests?

by My Natural CBD July 11, 2018

My Natural CBD Drug Test Article

Many who are interested in starting a CBD oil supplement routine are hesitant out of concern over whether or not CBD oil could cause them to fail a drug test. While there are many benefits to a CBD oil regimen, we understand that they aren’t worth risking the consequences of a failed drug test.

Today, we explore CBD oil and drug tests and answer the question, “Will CBD oil make me fail my drug test?”


A drug test, also referred to as a drug screening, analyzes urine to detect the presence of illegal drugs or prescription medications. Different drug tests screen for different drugs, depending on the needs of those administering it. Drug tests can use urine, blood, hair, sweat, or saliva, with each providing its own advantages for screening, including time since use, minimum amount detected, and accuracy.

Drug tests have now become a common condition before employment, but they are also used as part of parole requirements, during substance abuse programs, and by sports organizations to test for prohibited substances.

These drug screens often test for more than just marijuana use. They can also detect the use of opioids, alcohol, cocaine, barbiturates, methamphetamine, and more. Depending on the drug and amount and frequency of use, detection may be possible for a few hours to a few weeks.

abuse, detected

Unfortunately, drug tests are more effective at detecting past drug use, rather than actual impairment, which has lead to criticism of the use of drug tests as a requirement for employment. This is especially true in states where recreational or medical marijuana use has been legalized. According to the Drug and Alcohol Testing Industry Associations, employers drug test to provide safe work environments, identify and refer employees who have drug or alcohol problems, and even to comply with local, state, and federal regulations.


A routine urine drug screen for marijuana use, like the one you may take for a new job, consists of an immunoassay, a biological test with antibodies that are designed to detect THC and its main metabolite, 11-nor-delta9-caboxy-THC (THC-COOH). That means that the test was developed specifically to check for the use of THC, the psychoactive compound in cannabis.

Fortunately, the urine drug screen for THC and its metabolites is known to have very little cross-reactivity to other cannabinoids that are not psychoactive, such as CBD, CBG (cannabigerol), CBN (cannabinol), and others. Therefore, since CBD oil derived from hemp containing only trace amounts of THC, a hemp oil routine shouldn’t cause a user to fail a drug test.

However, a consumer using extremely high daily quantities of CBD of 1000 mg a day or higher may be exposed to around 3 mg of THC per day, possibly enough to trigger a positive result on a drug screen. A consumer who uses the standard daily servings of CBD listed on our products’ packaging is unlikely to test positive for THC.

Despite this, in a study of patients using CBD hemp oil, an original drug screening using an immunoassay occasionally showed false positives. When the sample was then verified using more accurate GC/MS (Gas Chromatography/Mass Spectrometry) tests, though, the samples came back negative, proving that the subjects were under the testing limit for THC.

drug test, problems

GC/MS tests are prohibitively expensive for initial testing, so it is rarely used other than to verify results of an immunoassay urine screen. A GC/MS test is capable of separating and analyzing compounds in a sample by vaporizing it and measuring concentrations. GC/MS tests are more specific than immunoassay screens because they only detect one individual metabolite. They are also more sensitive than initial immunoassay tests, detecting much lower concentrations of THC’s metabolite.

To protect our customers, we strongly recommend that anyone who may be subject to a drug test should use one of our THC-free products to reduce the risk of detection THC in their screening. Despite the statistically low chance of testing positive for a drug test when using full-spectrum CBD oil, choosing products made with CBD isolate instead further removes the risk.


CBD isolate is not a synthetic or lab-made cannabinoid. Instead, it is an all-natural product, extracted from the hemp plant and refined down to an incredible purity.

The extraction produces a botanical concentrate that includes the cannabinoids, fatty acids, and other plant material found naturally in hemp plants. The CBD hemp oil is then purified using a proprietary process to filter plant material and winterized to remove excess waxes, producing a pure isolate powder with 99% CBD. The CBD isolate powder has no taste or smell to it and can be integrated into a number of products.

With the development of these completely THC-free products, we have given those looking to avoid THC product options that fit their needs. However, consumers of all My Natural CBD oil products should feel confident that THC will not be detected in drug tests when products are used as directed.

Visit the My Natural CBD Shop to get started with CBD oil products today or discover more about CBD, hemp, and the My Natural CBD  family on our education page.

- FDA Disclaimer - *These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

My Natural CBD
My Natural CBD

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